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derp-the-arson-cat · 4 months ago

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I was jumpscared for a second there before I realised it said weak spot and that it was a Thursday lmao

Good times, great chapter

Weak Spot - Chapter 45

RotTMNT Donatello x Reader

Let's all float away with this week's chapter art by @garbagemilkshake

Warnings: Aged-up Turtles, Romance, Meet Cute, Villain Donatello, Cussing, Crushes, Xenophobia, Fear, Intimidation, Implied/Referenced Suicide, Hurt/Comfort, Love, AFAB Reader, Vaginal Sex, Sex Rough, Sex, Penis In Vagina Sex, Creampie, Teasing, Scent Kink, Sexual Tension, Breeding Kink, Multiple Orgasms, Cunnilingus, Fellatio, Marathon Sex, Somnophilia, Bondage, Feral Behavior, Feral Donatello, Mating Cycles/In Heat, Public Sex, Dom Donnie, Human/Turtle Relationships, Turtle Noises

Synopsis: A love story of villainous proportions! Though it hadn’t come easily, as these things rarely do, you found yourself in a whirlwind romance with a handsome and mysterious mutant. His idiosyncrasies had been easy to ignore as attraction grew into something more. However, will love endure when the unknowns about him end up being far darker than you ever considered?

It was many moons ago, but I gotta give it up to @amutantturtleenthusiast for helping me iron out that special extra place in the building!

Fem!Reader References/Warnings Below Cut

Also available on Ao3

First 💜 Previous

Last warning for the 🍋 under the cut. Minors DNI!

Fem!Reader References/Warnings: for what we've done so far this chapter has the lengthiest bra mention and light boob stuff

You were having major déjà vu. Looking up the imposing structure of a skyscraper, you turned to not find yourself alone as you had, but towards your boyfriend. His open presence took all the time you had spent together and materialized it into his current form.

“Ready?” He looked up to you where his fingers were still ghosting over your chest.

He’d just clipped your ID badge on.

“You seem distracted.” He stepped closer and his hand drifted towards your neck.

“Just reminiscing.” You leaned up to him and he lowered enough so you could peck his cheek. “So should I call you hubby or…?”

His spine snapped to attention and a dusting of pink caught his face. “Not at all. “

“It was your idea to fake our marriage.” You continued to stare up at him cutely.

“You know the difficulty I’ve gone through!” He puffed up and then went through an exercise of smoothing out his scales. “They would not allow you entry with anything less.”

You chewed on a giggle.

His gaze narrowed and one of his hands found your back where he pushed you straight towards the building.

“Wait, wait!” You laughed, not moving your feet and feeling them skid against the sidewalk. “I didn’t answer!”

“You’re ready enough to tease me.” He hummed in your ear.

You let yourself lean further into his hold to look back up at him. “I know this is a big moment and I want to recognize that; it’s your lab!”

He stopped and gave a little exhale before pecking your forehead. “Appreciated.”

“Good.” You righted yourself and moved toward the door of your own volition. “The whole being married thing makes sense, but I don’t think I asked why that was a stipulation?”

“Proprietary infringement.”

“Uh…” You stopped just shy of the door.

He caught the handle and opened the first set for you. “While I own the rights to my technology, it is created using a government facility and funds. They opt first rights to purchase or a portion of the proceeds.”

This was the part of his job you hadn’t asked much about. Both because it always seemed exceedingly heady and because he was consistent in how it was above board. Preparing yourself for what was to come, you scurried forward to get the second door. “Couldn’t I just steal your ideas as your spouse?”

“We have a prenup.” He explained, passing with a smile.

“Ironclad.” You spoke appreciatively. “I assume I get nothing?”

“You get cared for for the rest of your life.” He stopped short and, as part of the performance, you moved to saddle up to his side.

He offered his arm and you took it. “Well, look at you.”

He gave you a glance before assuming dominating purpose as he walked you into the nicest building lobby you had ever seen.

“Can I keep asking questions or will I need to be silent for this part?” You whispered to him and tried to hide your mouth against his coat.

“You’re free to say anything you like. Imagine this…” With his free hand he pointed around to your badge. “…as your diplomatic immunity.”

“Not as flashy as a glowstone.”

“True.” The slightest smile appeared between his stoic lips.

“Couldn’t I just sign some non-disclosure agreement if we were dating?”

The receptionist stood as you passed.

“They would want to interview you, procure it themselves, along with a background check and other invasive research.”

“But married, I get to skip that?”

“Me? Marry?” He gave you the faintest wry look. “They do business with me. They know the lengths I go before allowing written transactions..”

“Meaning you already did it when we were dating didn’t you?” You shot him an annoyed look as soon as you reached the elevators.

“Obviously.” He stepped away enough to scan his card which highlighted the panel purple before summoning a ride. “But before: After our first meeting, before my promise.”

“I love that you still abide by it.” You bumped him as he returned to you.

“I swore.”

You snuggled into him.

Trapped by some type of unsaid agreement, he responded with his aura instead of physically.

“Are we being recorded?”

“Yes.”

“But you’re not worried?”

“No.”

“That I’ll say the wrong thing?”

He gave a sigh as if it couldn’t be helped before turning and crouching in one swift move to get to your eye level. “They use my technology in the systems.”

You blinked with recognition.

“You are free to do whatever you like, there are no real records.” He caught you in a kiss so fast that you couldn’t respond before he returned to his original position at your side just as the elevator arrived.

You followed him in with heated cheeks and waited until the doors closed until you spoke again. “If the words don’t matter, why are we acting then?”

“Image. Your comparison to Big Mama’s gala was not inaccurate.”

“They’ll jump on weakness here?”

“Not dissimilar.”

“Ah.”

He squeezed your arm and finally pressed the button.

“Hey!”

He hummed an amused response.

“We were just sitting here!”

“A moment of peace before the lion’s den.”

“That bad?” You studied his profile.

“Hardly. You’ll find it boring, I imagine.”

“It’s yours, I doubt that.”

He looked away and your smile simmered. “Hey, Don?”

“Yes?” Only mild resistance kept his gaze.

“Want to talk about marriage?”

You felt him similarly stiffen as he had outside.

“We said we’d discuss it. Why not now?”

“I’m going to marry you.” He spoke firmly and straight ahead.

You nodded a little too enthusiastically and your heart leapt to match.

“What kind of proposal would you prefer?” The floor dinged and opened up to a gorgeously sleek lobby.

Two receptionists at a desk stood and bowed their heads.

“Donatello, sir.”

“Welcome back.”

You tucked in, feeling shy.

He strode past them without a response.

Passing through another key access, you then stepped into a darkened room lined with white neon.

“You’ll be scanned.” Donnie explained.

You nodded and he stepped away from you to take a neutral position.

Watching him, you did the same and waited for some kind of laser to dart out.

None came and instead the room beeped before light lined the next door’s silhouette against what had looked like a flat wall.

Donnie offered his arm again and you took it.

He led you straight through with a push to the rectangular cutout.

It opened up to a bustling lab where your eye was tugged a million directions. Cleanly and stark, the room opened up to what felt like hundreds of stations. Some hermetically sealed in glass and other’s open air, you saw firsthand what Donnie had meant by an army of grad students. Dozens of variously suited scientists were working in tandem amongst all sorts of projects.

Then, very much like a movie you’d once seen, one of them caught sight of Donnie.

Stopping dead in their tracks, the clipboard in their hand went slack as they openly stared.

Beside you, you felt Donnie brace himself.

Like a tidal wave, awareness washed over the entire lab. Every single person who could feasibly stop, came to a halt and stared in your direction. Knowing the eyes were actually up and to your right didn’t help how eerie it was to watch everything come to a standstill at his very existence. Machines continued to whirl and other little things made sound, but the lack of speech made the space feel barren.

A clacking shattered the mystique and you found a man with features as sharp as his shined shoes clicking towards you at an alarming rate.

You could feel mild irritation waft off Donnie so you prepared yourself for the man’s arrival.

With his gaze ahead and a leather bound planner in hand, as he passed, it was as if he were dismissing the scientists. Each station he cleared allowed them to resume their duties though it was clear they were still on edge.

When he was only a few feet out, Donnie hailed him. “Spencer.”

“Mr. Donatello!” The man opened his arms up from the pressed and cuffed pinstripe shirt he was wearing. It was carefully tucked into his pants where their pleats were so crisp you thought they might crunch when he sat. A touch of color popped socks between the bottom of his slacks and those shiny shoes of his that you found to be his trademark.

“Y/N. Spencer.” Donnie introduced without taking his eye off the man.

“Nice to meet you.” You responded dutifully.

“You as well!” Spencer turned and gave you a form of a bow. “I had no idea Mr. Donatello wed.”

“Not pertinent.” Donnie dismissed.

“Y-Yes, well!” Spencer, half turned out and gestured to the lab. “Welcome, Y/N to Genius Built, the pioneer of tomorrow's breakthroughs! At the forefront of innovation, we deal only in technological marvels that stand as a beacon of hope and advancement for humanity. We are not merely a company; we are the architects of the future-”

“This is a tour, not a pitch.” Donnie cut the man off.

You could almost see a vein bulge in the man’s forehead. “Not that you aren’t thorough sir, but you often don’t articulate how incredible your company is…”

He did not.

You debated ratting Donnie out.

You hadn’t even known the terrible name he’d chosen for his brand.

While his unreadable aura said little to others, you knew the micro reactions all too well.

He had read your mind and felt your supposed threat.

“I can handle the tour. You have a press junket later that I imagine you need to prepare for.” Donnie readied himself to depart.

“Oh, no. My schedule was actually cleared just for this occasion. You had been trying to get this particular guest in for months now so we pulled out all the stops!”

Donnie’s face betrayed nothing and this man had no regard for his own safety.

“You know how it is with a new ball and chain!” You spoke up and your voice caused surprise to break over Spencer’s features. “I’ve been nagging to me see where he works!”

As if put onto some secret information, Spencer leaned into you. “I see, I see! Newlyweds are like that. I remember when my wife and I first married, she wanted me to take her everywhere! Thank goodness that’s over, but just like you back in the day, I had to put my foot down! I told her, ‘honey you know I’m not allowed’, but when you’re the boss like Mr. Donatello here, I suppose he met his match!”

You had far too much experience in dealing with men like him and gleamed the fakest smile you could.. “It’s about respect.”

Spencer took it wholeheartedly. “I suppose I can hang back, but you need to message me the moment you need a thing! Water. Boop! There I am with sparkling, mineral, alkaline, spring, you name it! Lunch? Already got 10 order options, zip! Ready to go!” He feigned pulling far too many guns out of an unreasonable amount of holsters before laughing at his own miming.

You did the same.

Donnie felt just shy of ripping the man to shreds.

“Best of luck to you then.” Spencer sent the most half-assed salute to Donnie. “You know where to find me, sir!” He then waved multiple times as he started to click back to wherever he had come.

Donnie might have doubled over if he were anywhere else.

“You okay?” You turned into him to hide your worry.

“What was that?” He scanned your face with inherent malice.

“Corporate bullshit.” You gave a tired smile. “Feed their inbred misogyny and they’ll eat it up and leave.”

“Seems unlike you.”

“Easier that way. PLus, he left, right?”

“This is what you deal with at work.”

“This is what most people deal with at work. Not even white collar, there’s assholes like that in charge of most businesses bigger than 15 people.”

“He’s a glorified floor manager.”

“What’s his title?”

Donnie’s snout wrinkled. “Something like Senior Demonstrations Supervisor.”

“Corporate bullshit.” You shook your head. “I don’t and would never feel that way about being married to you.”

Donnie’s gaze softened, clearly you smoothed the thing that had most bothered him.

“Sorry for springing that.”

“He was sprung on me. I should have known they’d have sent monitors.”

“Hall monitors.”

Donnie chuckled.

“We’ve got passes though.” You reached out and tapped his badge.

“This is why I drop in unannounced.” He covered your hand with his and brought it up to his lips for a chaste kiss.

“Mr. Donatello,” you gasped, pretending to be swooned.

“Indulge me as I show you the steps in which we arrived at our soil solution?”

“I thought you’d never ask!” You stepped back to his side in an exaggerated way and he led you through the lab while explaining the different stations. From the few things Spencer had said, you found the man’s explanation to be oddly accurate even though it seemed as generic as any other. Genius Built dealt in nearly every kind of technology you could think of. From a room that was manipulating bacteria to harmlessly eat up microplastics to a mask that captured CO₂ in strips that could be later planted into soils. “These are all your ideas?”

“Not all.” He turned with pride from where he’d been evaluating some new type of trash bag. “There are pitch days throughout the year. I advise and refine projects. If adequate, I’ll then fund them.”

Genius Built was a conglomerate in its own right.

“They retain rights. The benefits of scientists working under a fellow.”

“You know what it’s like.” You rounded the other side of the table where a masked worker smiled at you with her eyes as she monitored a centrifuge.

Donnie only nodded, his eyes still caught on the station’s work.

“Nothing big.” You edged toward the end of the table where there was a wall of data. “I’m not interested in you taking over all the Times Square billboards to pop the question.”

There wasn’t a sound, but you heard a researcher ask if Donnie was alright.

You heard a flap of his coat that said he waved it off as he marched straight over to you.

“Think I forgot?” You gave him a half turn of your head.

“I’m torn.”

“You sort of want me to cause of the majesty of this place?”

“Exactly.” He came in close and pointed to some numbers on a page. He then projected his voice in a way you knew wasn’t meant for you. “These are wrong, it might be why you’re not getting the right emissions capture.”

“A-ah!” The whole team scurried over to the wall. “S-So sorry Mr. Donatello. We’ll c-correct that right away. Thank you!”

“Who reviews your work?” He turned to look at the closest person with a little too much of his height.

The woman with the clipboard flipped a page. “Team… A-23.”

Donnie turned with a motion for you and you gave the group a sheepish look as you followed after. Presumably heading to said section, you were surprised when he tossed something over his shoulder at you. “Something small?”

“Something meaningful.” You lobbed right back and you watched him try to hide his smile.

“Timeline?”

“After you can properly say you love me.”

Donnie stopped dead and you almost ran into him.

Wary of those watching, you moved to touch the back of his arm. “That doesn’t mean you have to rush it.”

He didn’t respond.

“Hey.” You circled to his front and found his face similarly frozen. “I can hear you. Your gears are turning because you think you’re the one holding us back.”

He gave a single nod.

“You aren’t.” You touched his arm again, this time with more force. “Us not being married is nothing less than us being.”

You watched his lips part for a disagreement.

You got hold of his appendage and slid right down until you caught his wrist. You then pulled the limp thing over to your mating mark, concealed by your clothes. “Marriage is nothing but a piece of paper and tax breaks.”

“It’s a pledge of commitment.”

You stepped closer to capture his lowered eye. “I’m not saying we don’t. I’m saying we don’t have to rush. Aren’t we committed already?”

“I want them all.” His pupil darted to you. “Every way to say you’re mine and I’m yours.”

It was too much. You buried yourself directly into his plastron and his coat swept around you as he held you there.

“What if I’m never able to say it?” Nothing was blocking his lips, but the question sounded muffled.

“Then-” You spoke into him before thinking better. You lifted your head, keeping your chin rooted to him and stared right into his eyes. “-you don’t and we’re not less and we become common law married whenever that kicks in.”

He gave a warped smile. “No exception?”

“No.”

He dipped down and you thought he might kiss you but he instead pressed his snout to your hairline. “Good, don’t change.”

You buried into him for one last squeeze before pulling away. “Time to berate Team A?”

“That’s a strong word.” He mused, following after even though you didn’t know where to go.

Instead of correcting you, he just swerved toward the right direction and you had to switch footing to follow. “How long were you thinking until you asked?”

“I’ve no plan in place other than intention.”

“That’s surprising.” He changed course again so you gave up and returned to his side.

“We said we’d discuss.”

“Sweet thing.” You caught his arm and pressed into him.

“Prenup, what kind of wedding?”

“Nothing crazy, it’d be nice to do the whole walk with family and friends followed by a party. The food is never as good as you’d hope though. You?”

“No preference other than legality.”

“You just want proof.”

He gave you a rueful look before he slowed.

“You sound like you’ll frame it.”

His expression intensified with an arched brow.

Feeling more eyes than his own, you looked out to find what you presumed to be Team A-23 staring back owlishly.

In an easy step, he moved away to evaluate each of them openly. “Who proofread Team E-64’s calculations?”

One researcher ousted the other before they could and it became a whole display. Not checking out exactly, you instead mused on what kind of boss Donnie was. You imagined most people would call him 'hard, but fair and that the general consensus was that he was terrifying. You doubted there was some kind of soft side lobby and instead if he was kind to one of them, he did it casually which would leave said party blinking over what had just happened. You imagined those who experienced it wouldn’t share as it seemed too outlandish to be believable. His kindness was a water cooler ghost story that had probably been hotly debated before being lost to the annals of work lore.

Returning found one of the researchers off to the side talking to Donnie. You couldn’t remember if it was the tattle tale or the guilty party, but one of the other scientists caught your eye. They waved you over and you approached cautiously.

“Wanna see something cool?”

That was a sentence typically for school kids between classes and not highly funded researchers. “Sure.”

“We just had a breakthrough with our adaptive technology.” She gestured to the table and you found a petri dish with what looked like goo in it. Already suited up, she reached out a thick glove and just as her finger hovered over head, the glob tried to reach for her.

“Is it alive?” It reminded you of a viscous version of Donnie’s battle shell.

“Nope, it’s transformative nanotech.”

You felt it must be a lesser version based on the reaction, but that didn’t make sense. It made you wonder if Donnie kept certain inventions to himself. That made a sort of sense, but, knowing him, releasing something subpar went against his character. “Huh.”

Even through her suit you watched the woman’s face drop. She then turned to her coworker and shared the misery before both of them started whispering.

“You okay…?” You felt like maybe you had said something wrong.

“We… we…” She glanced over and you followed her eye to find she was checking that Donnie was still preoccupied. “We have a bet going to see who will impress you the most.”

“Me?” You pointed at yourself. “You mean him, right?” In a flick, you turned the hand into a thrown thumb toward your partner.

“No, you.” She gave her own gesture to send the point home.

“Crystal!” The other woman scolded.

“We’re out! Who cares!” She snipped back, approaching you. “Impress the boss’ spouse?”

You nodded with understanding.

“There’s facial recognition software that tracks customer satisfaction going live later this month. The teams came together to do the final testing with this.”

“The cameras are tracking my reactions…” You mumbled and wondered how that worked with Donnie manipulating the records.

“Yup!” She then seemed to think better. “Huh… it sounds sort of invasive now that I say it outloud…”

“It’s been invasive!” The other woman elbowed Crystal in the side. “Why do you think it took so long to get through legal!?”

“Legal?” Donnie’s voice asked above you.

You glanced to find the man Donnie had been talking to now absent.

“S-Sir!” Crystal took a wary step back. “W-we had a breakthrough with the nanotech!”

Donnie glanced over you and then the Petri dish. “Demonstrate.”

She did, but Donnie’s lips began to move before she even got the substance to reach for her.

“This is a basal reaction at best.”

“Well the substance you brought-”

You watched as the rest of the team's eyes shot toward Crystal, but her head was down and buried in wording her response.

“-hasn’t been reacting as projections indicated.”

“As indicated.” He took a step forward and she shrank further down. “From my data.”

“We believe it’s the lab setting!” The woman who’d scolded Crystal gave a shaky step forward.

His head cracked to her in an unsettling way. “Inferring I neglected such variables.”

“I-I wouldn’t say that.”

You chewed the inside of your lip.

“I’m pulling the lot of you.”

The team had complaints on their lips, but not one slipped.

“Report to Spencer. Send me your data and my own. Consider your project audited.”

In a defeated filing, they left everything as it was and trudged toward where Spencer had gone.

Donnie looked over their space before stepping into it. You watched as he washed up in a sink before putting on part of a suit. Two fingers loose, he reached for the glob the same way Crystal had which yielded the same result. He sneered at the object before trashing his protection. He then stepped forward and stared at their data with only the slightest movements before you dared to approach. “It’s been taken into account.”

You searched his profile.

“Their contest. I not only knew, but orchestrated it in a way.”

“What?”

“They’re always looking for something.” He reached up with a marker he procured from somewhere and started marking up a page. “A leg up on one another. That’s not why they work in shared space.”

“No?” You resisted the urge to look over your shoulder.

“No.” He frowned and tore another page down. “The reason why I have them proof across their fields is to inspire one another.”

“Does it work?”

“Not when finance and marketing step in.” Creasing another page with a back and forth flap, Donnie ripped a section off and made some notes on it.

“Competition is good for money.”

“It’s like they forget the product is what actually makes it.” He sighed and held out a wad for you.

You took it only to watch his eyes glance sideways. Following it found a waste bin and you threw a shot which landed.

He gave you an approving nod before continuing on with notes.

“You got off track.”

He paused mid zero and thought for a moment. “Yes, the contest.”

“You’re going to mess up their test run.”

“It didn’t make it past legal.” He crossed something out.

“That’s not…”

“I know.” He turned toward you and you realized that was the point.

Someone in the company was forcing it through.

He returned to the board. “I will not have my brand tarnished for the sake of dividends.”

“So…” You lowered your head to think. “If you knew, why not just tell someone? You have final say, don’t you?”

“This isn’t my technology.”

“Oh, it’s from one of the pitches?”

“Yes.”

“Why not tell them?”

“They know.”

Your gaze shot back to him.

“It was already on my radar as said creator had been forthcoming about setbacks throughout the process.” He gave a sigh and stepped back to view all the work as a whole. “That’s why this team is a lost cause and will be split up. They bring out the worst in one another.” He gestured his pen to a page with many angry red marks. “In just the last few minutes I’ve caught 12 errors all stemming from a choice here.” He tapped a large circle. “Where there was a change to my composition formula, presumably because it took time to synthesize. It’s sloppy. It’s pathetic. It’s telling.”

“If they had been upfront…?”

“Their jobs wouldn’t now be on the line.”

You gave a faint nod before your brow furrowed. “So this-” You gestured to this station. “-wasn’t planned, but controlling the contest to sabotage the scanning software was?”

“Correct.” He capped his pen and set it on the desk.

“You always made it seem like you’re pretty off hands with this place…”

He inched towards you. “In a way I am.”

“Sounds like you micromanage and monitor.”

“I do.”

You looked at him with a questioning brow.

A light bulb seemed to go off. “I see.”

“Mhm.”

He crept up to you and covertly slipped a hand around your waist. “I have a plant.”

“You’re acting suave, but again, this is your company!” You playfully slapped his plastron.

He came down with a sort of timbre. “I could tap the tapes, write an algorithm to scan for me, and have S.H.E.L.L.D.O.N. monitor, but I find that beneath our caliber.”

You hummed and waited for wherever he was leading.

“An interesting case. A brilliant mind, albeit less than my own, with whom I tangled with once before we saw to it to collaborate as long as our interests aligned.”

“Another villain?”

“His juvenile records were sealed, he became better at not announcing his presence as he got older.”

You tilted your head, genuinely curious.

“Graduated MIT at 15. He’s renowned in the robotics world.”

“He’s human…”

He nodded.

You blinked, there were more evil humans than mutants or yokai in the world, but you’d never heard Donnie mention one.

“He’s not physically here of course, but on paper he runs the security company contracted with us.”

You were pulled flush to your boyfriend.

“Baxter Stockman formerly Stockboy. In this position he believes he is skimming trade secrets from me, but it’s a case of making use of enemies’ proximity.”

“Keep your enemies closer, you mean?”

He grinned.

“You’re talking like I should reward you.”

His lips faltered.

“Maybe if I knew who that was or had some kind of reference…” You brushed his cheek.

Falling further by the second, he almost skipped an outright frown to pout. “The description was clever.”

“Very.” You added your other hand to cup his face and coax him down.

His head lowered as he sank to sulk.

You kissed his forehead. “Very cute too.”

He lounged in your attention for a moment longer until he seemed to remember your location. He then lifted his arm and checked his tech gauntlet. “There’s still time. Let’s continue.”

Back to examining the stations, word must have spread because there were no further demonstrations. Instead, you observed nervous teams and saw others rapidly checking their work when they thought Donnie’s back was turned. For those with some level of confidence, none was enough to completely return to what you assumed was a normal day here. They only tried to do their best to continue their work under a scrutinizing eye. The quiet was filled as Donnie added notes about what were his ideas and you could tell he was itching for some praise. Holding off, you were soon ushered into Spencer’s supposedly lavish office for lunch. A glorified empty room with a desk, the only thing that set it apart was a floor to ceiling art piece behind his chair. You stared at it more than him as he yammered on, trying to sell you the company as if he’d forgotten you weren’t an investor.

Getting through a tasty morsel in spite of the company, Donnie eventually swept the conversation into a dustpan and essentially abandoned the man mid sentence as you left. With parting politeness that barely shaded bitter undertones, you then toured the more secure labs on the next floor up. It was glimpses through windows and almost exclusively Donatello branded chemical work. Reminded again of the early months with your partner, you imagined all these different facets were why he’d been so easily able to lie about what his job was.

Hitting the end of the room, you turned to Donnie for whatever was next when you found a shift in his demeanor. “Hey, you okay?”

“Yes.” He felt distant.

Leaning into him, you caught his eye.

He held it with a veneer.

“What’s up?”

“What do you think?”

“Of your lab? It’s amazing!”

He continued to stare as if you should say more.

“Um…” You cursed the sound. “Should I pick a favorite… or?”

He made a noise of understanding and his gaze plummeted.

“Thank you for sharing this with me. Working so hard to show me. Tech is part of you, like you said. This really is incredible, Don.” You pressed the plastron over his heart to accentuate your feelings.

“It’s not…” He got hung up on verbiage and closed his eyes.

You leaned against him to wait.

When he came to it was with a slow exhale. “It seems anticlimactic.”

“You think?”

“I’m not sure what I expected.”

“Not this?”

He shook his head.

“I’m sorry. I feel like it’s my fault. This is all really cool, but it’s not really my field. Plus, when you meet S.H.E.L.L.D.O.N., it’s kind of hard to be excited about engineered bacteria.”

Donnie bobbed with a single puff of amusement.

“I will always be thankful you let me in.”

He kissed the side of your head before taking your hand. You thread your fingers through his and he leads you back to the elevator. Scanning in, you got into position only to watch him push and hold the buttons for both the floors you had already been to. Studying the maneuver, several seconds ticked by before they lit up purple. The elevator’s screen then read ‘BIO’ instead of a floor number and the elevator lurched in an upward climb.

“A secret floor…”

He only offered a side-glance as he waited.

Stuck doing the same, you tried to measure how far up you were going. It seemed to be the top, but there was a top floor button he could have pushed instead. Pondering it over and gleaning little, the elevator dinged its destination.

You prepared for whatever it would open to when Donnie reached out and held the closed door button with a single digit. “Do you remember when I told you I had somewhere better to show you?”

You glanced at the shut doors. “Um…?”

“Lake day.”

The day ran by on a warm tinted mini reel until you caught the mysterious moment. “Yes…?”

He tilted his head, obviously unsure of how to proceed if you weren’t as well.

You shook the confusion off. “No, I do, I just thought it was like… another lake, ya know?”

He only smiled and released the button.

Reminding yourself you were in an office building, you crept forward when he didn’t. With a slow lurch, the doors seemed to push against one another before opening up. What hit you first was a burst of humidity. Then came the earthy scents carried along by the heavy air. Flora and fauna, you heard birds chirping as you stared out into what appeared to be a dense forest. One of a tropical variety, skinny trunk trees thickened out with various widths of bush-like foliage. Stepping forward onto a wood plank path, luscious grass sprouted between each board where they led a curving hook to disappear into the brush. “How…?”

Donnie wasn’t immediately behind you and trailed near the elevator. “I, myself, am a scientific curiosity.”

You wanted to keep your attention there, but the sights and smells that starkly contrasted the height of autumn outside refused to let you go.

“The government wasn’t going to let that be no matter how incredible my achievements were.”

Head tipping back, you followed the canopy to a glass dome above where a lattice of white metal held it up.

“This simulates my species’ southern habitat.”

There was a snippet of a skyscraper peeking out of a corner of glass that you assumed was the actual top floor of the building. The clear roof had been constructed in a way that it probably wasn’t visible from the street. Working out the architectural mechanics for this, his leading statement finally hit you. “Did they try to keep you here?”

There was an odd weight to the faint smile on Donnie’s lips. “Surprisingly enough, no.” He finally reached the first plank and firmly planted both of his boots on it. “This biodome was created after lengthy negotiations. I imagine there were some that wanted it to be my next cage.”

You watched as the next plank was his exact step length away and he took to it.

“Their real purpose should be an obvious one: reverse engineer the mutative substance from my DNA and use it for the small-minded goal to make super soldiers.”

You imagined Donnie had already cracked the code on that, but a concurrent thought said that if he did he would have cured himself.

Stopping at the thought and just shy of the next plank, a new branching path formed..

If he could cure himself or anyone else, he would have done so to the other turtles.

It would be an automatic neutralization.

Squinting at the blades under shoe, you vaguely remembered when he’d talked about the source substance.

It was an ingredient used by that Draxum guy.

It was something older.

Something he hypothesized about.

Realizing you’d been lost to your thoughts for too long, you shot your gaze up to find Donnie studying you. You returned it only for a moment before deciding to voice your thoughts. “Which never happened. For you or anyone else.”

“Correct.” He took another step. “When the EPF fell, they attempted to reorganize, study the yokai and mutants they had detained. Something towards a roundabout and rudimentary understanding. If they could discern how many animalistic traits were present from the spliced DNA then maybe they could make a rough estimate, create their own.”

It was a stretch for your legs to make the next board. You’d have to make more of a hop to keep going.

“Pitiful understanding, but one with some semblance of sense for a party with none.” He strode past you until he neared the bend. “This was to be my break room and, when in here, data would be sent back.”

“And there were others?”

“Not here. Each held separately in similarly engineered spaces.” He edged the curve and glanced back at you.

“How long ago?”

“About six years.”

“Why is it still here?” You jumped a few planks to catch up.

“I fund it now. It’s mine. No more data. They lost interest quickly when they found they could do nothing with the information.” He disappeared out of your view. “Some scientists with actual passion did take to the data when it was released into the community. It greatly helped with species understanding and I believe staved two off from extinction.”

“That’s good…” You wandered around a bend that felt oddly like an terrarium.

“One must nurture true scientific passion.”

His voice sounded like a ghost, you chased after it through a winding green corridor before it opened up. The centerpiece of the structure stood an enormous pond dotted with lily pads of some kind. Greenery leached into its surface to get a taste and a mirror of the room reflected in its still surface. “This is…”

“My oasis.”

“I thought you’d never had a vacation.” Even with wide eyes you felt like you weren’t taking enough of the space in.

He chuffed and you could feel his smile. “I’m never here for more than a day. Too much to do. Never earned. More often I came here to reset or heal.”

You tried not to imagine a broken and bloody Donnie taking solace in this place.

“When it becomes too much. A minor sanctuary.”

Slicing straight through your imagination was an image of Leo losing himself to weights.

You wafted him away before approaching Donnie.

“Do you need keycard access to get up here?”

He turned to you and you felt relaxation waft off of him. “It has to be me. My existence opens this place. Not even the Darling Protocol works here.”

The rounding curiosity on your lips caused them to just barely part.

He had never said the name out loud to you.

“Is there any tech?” Your lids lowered.

He took the downturn in your demeanor by stepping close. “Only to maintain the habitat. Temperature mostly. Otherwise, it’s a self-sustaining ecosystem. What’s wrong?”

You shook your head. “This is incredible, Donnie.”

His furrowed brow said he didn’t take your diversion.

You could do little for it and instead walked up to the edge of the water. Kneeling down, you felt the soft soil underneath and skimmed a finger over the water’s surface. It felt sun kissed.

“Y/N.”

“It’s silly and has nothing to do with this place.”

You heard him step up behind you to wait.

Looking across the room, you felt an odd expression on your face as you whispered. “I don’t know how I feel about pet names…”

“Darling.” He breathed right in your ear and goose bumps ripped across your flesh.

He hummed with interest and skimmed where the hairs raised on your neck.

“Seems I can’t overdo it.”

You turned and caught his lips with a near tackle.

It knocked you both over into the grass where you kissed him further down into it.

You had to gasp when you finally were forced apart for air.

“Moderation.” He decided and craned an arm to shield his face.

“You’d tell me, right? If it was hard like a proclamation? You aren’t just doing it to make me happy?”

He shook his head, but kept his arm in place so it looked like he scrubbed his snout across it. “I called you it and others in my mind, but thought it too old fashioned.”

“What would you know about that?” You dipped down to kiss him senseless again.

This time he caught you and rolled over to dominate.

You pressed up from beneath and he allowed it with a little rumble of satisfaction. Giving up his lost ground, he switched to quick little puckers that caused you to laugh. He rose up onto extended arms planted on either side of your head and painted a gooey smile. You were surely returning it with a sugared topping and for a moment you were caught like that. Then he lowered down to nudge your cheek with his snout.

“Shall we?”

“Shall we what?” You adjusted his coat between you so it was dangling down your sides.

“You felt the water, is the temperature adequate?”

“Donnie, what? I was ready to go to a lab, not swim!”

He sent you a heated look before lifting off. You propped yourself up and watched as he took a few steps to the side before shrugging his coat off his shoulders.

“Don, it’s October!”

“Climate change.” He tossed easily as he half-folded his outwear on the ground.

“Which one of your stations is actively combating!”

“Until then.” He caught the scruff of his shirt and pulled it off in one yank.

“All the cameras are gone…?” You ogled him openly.

He rolled his muscles for you to watch before catching his wraps to unravel them. “As if we were in nature proper.”

“It’s hard to shake the feeling…” You looked toward the water’s clear surface. “We walked into a skyscraper. We’ve been watched the whole time.”

Donnie hummed and you heard him undo his belt. Not able to match him, you offered a partial commitment by taking off your shoes and socks. Checking for fuzzes between your toes, you then tested the water. It had a cool reach that might send a chill at first, but then you imagined you’d adjust quickly.

There was a thin splash and, by the time you looked up, Donnie was gone.

Wondering how deep this body of water was, you stepped forward until you were submerged to your ankles. Looking out with renewed déjà vu, you studied the surface for signs of him. Unlike the lake, there were no other disturbances so you found tracks around the middle of the water. Slipping your coat off, you left it behind as you bunched your pants up. It raised your hem so you could take a few steps forward. Finding the drop off relatively steep, you only made it a few feet from the shore before you couldn’t go further.

Donnie appeared with only his eyes above the water.

He darted left and right, staring you down.

“How is it?”

He didn’t respond and ducked under.

Smiling, you looked down to find little fish around your feet. “Ecosystem,” you mumbled to yourself as you squatted down to see if there were more.

Donnie couldn’t get too close, but you saw him swim up.

You tapped the water’s surface to get his attention.

He surfaced with a raised brow ridge.

“What if I’m not up to it?”

“Could I swim a bit?”

“Of course.”

He nodded his thanks and disappeared back under.

Readjusting the hold on your pants, you walked the perimeter. A birdsong cheered your move and there was a faint rustle among the trees. The space breathed life and you felt warm to your core. It was somewhere around the other side of the pond that you decided to shed your layers. Stepping out to strip, you stubbornly kept your underwear on before wading in, nice and slow. The water clung to you with cohesion and felt like a caress as your hips entered. Within a slip against the muddy bottom, you then submerged and threw your arms out to float. Losing the bottom quickly, you tipped backward until you were floating on your back and stared up at the lattice of glass.

There was the sound of only a droplet and you knew Donnie was beside you with an offering. “You didn’t have to.”

“I know.”

“Comfortable?” A trickle said he drifted to one side.

“Mhm.”

“You can sleep, I’ll keep an eye on you.”

“I’m not tired. I’m not sure.”

The water silenced as he thought before a tiny splash said he dove.

You were calm.

You knew why he’d said this place was a sanctuary.

Something about it wasn’t quite ethereal, but felt removed from the world. Even though a very short walk would return you to a world of mechanics, here you felt at one with the space. Closing your eyes and with your ears submerged, the sound of the water filled your mind. It was a steadfast current without true touch even while thousands of molecular hands held you up. Crowds surfacing amongst them, you saw a small bird fly overhead from one tree to another. The lazy smile on your face as a greeting, you imagined the fish darting around and eating algae or whatever they munched on. Beyond that there must be some kind of insects to help the plants thrive and the cycle of life occurred, from the sun above to leaf litter below.

Instead of righting yourself, you let yourself sink below the surface. It took maneuvering with your legs and a drop in your core, but you forced your eyes open as soon as you did. Silt was disrupted towards the other side of the pond, but you could otherwise see Donnie, settled at the bottom and looking the most like a turtle you’d ever seen him. His eyes weren’t closed, but you could only see the whites of them stand out against the brown bottom.

Summoning the last of your oxygen, you shouted out which created mostly muffled bubbles.

Rising among them, you were soon joined by your partner who looked as he usually did. “Are you alright?”

“What was that?” You pointed at your own eyes and heard the effervescent sound of your voice.

“Nictitating membrane.” He swam a little closer, but gave you space.

“What’s that?”

“Third eyelid.” He blinked and, in demonstration, you watched it descend and create those whites.

“Woah…” With a few flaps of your arms, you came right up to him. “So that’s what that was.”

“When?” He nosed closer in the water and blinked back his usual gaze.

“When you were sick. I thought your pupils were gone.”

“When I was sick…?” You could tell the question was less about the time and more that he hadn’t known that was a symptom.

“Yeah, Leo did it too when he got upset.”

“It is a form of protection.” Donnie shrugged, the guard of this place a shield forbid usual irritation.

“Kinda cool and scary.” With a rocking created by your proximity, you bobbed close enough to peck him.

“You’ve nothing to fear.” Testing fingers brushed your waist to alert you of him and you sent him an agreeable look. He then pulled you close until everything stilled once more.

The trickle of water slipping into the backdrop of the space, you traced his skin. With the water, it was slick and near frictionless so you easily glided a digit up to his shoulder. There you slowed toward the edge of his shell and he watched on patiently as confirmation. Throwing your arms around his neck, you let them dip down to where his carapace was exposed.

He caught your lips in a gentle kiss.

Pulling him closer, water shot out where it wasn’t welcome and the two of you pressed together. Comfortable and gentle, your lips massaged and you felt that warmth in your center multiply. Encroached in zen, the tone didn’t pick up, but you felt yourself moving. Using his legs along, you coasted through the water for a sensation that felt like pure magic. It enhanced the make-out and when you broke apart you had to nuzzle into him to chase the intimacy.

“I want to make love to you.”

You reluctantly pulled back, to check you’d heard him correctly.

“Here, now.” He kissed your cheek in question. “If that’s agreeable?”

You felt he was being silly and nodded. Reigning an arm in, you brushed your hand along his jaw to coax him to you.

He allowed only a few more kisses before he needed to swim with purpose. Holding onto him, you watched as he swam you over to what seemed like a carefully chosen bank. With little mud, spindly grasses dipped straight into the water. He swept an arm down thin blades until they formed what almost looked like a woven mat. They felt cushioned like a marshy throne as he laid you out on them. With your lower back against the bank, your hips and below still sat submerged as he poured over you.

Lips locked, each rolled a message of devotion. He grew reluctant, pulling fully away with each press, but returning for another until he gave the slightest shake to get himself in line. Your fingers skirted his slippery skin in a pet that ticked in time with your heart. The pitter patter of it sounded louder than usual as he lined kisses down the column of your throat. Reverent, the tracks lead down your sternum where a cupping roll of your waterlogged bra pressed up around his face as he squeezed from both sides.

Biting your lip to keep from laughing at the near juvenile groping, he flicked a heated gaze up where his snout was buried into your skin. It erased all comedy from the moment and changed your gnaw into something else entirely. Slipping fingers beneath the fabric, he forewent the clip and instead pushed the elastic up to free your chest. It marred your view and you squirmed your displeasure. Catching a nipple in his mouth, he got it between his teeth with a gentle bite that sent your attention upward. Head lolled at the move and adding a swipe of a scorching tongue for good measure, he sucked and, within the distraction, undid the clasp.

Lifting both arms, one at a time, the thing was removed and you were rewarded with attention to your other breast. Arching off the bank, his hand found purchase on your back to keep you raised for him. Swiping strokes of his digits kneaded your spine as he strayed from your chest with a few lasting nips before continuing his trek downward. Across the plains of your stomach, he licked a fat stripe over your belly button and you cried out at the heat differential.

He kissed you down from the high in time with laying you back down. With a wiggle you tried to get up out of the water to make it easier, but he carefully slid you back down the smooth weeds you were perched on. “In the water?” You gave a breathy question.

He only nodded as his mouth had found your skin again and he continued to taste. Caught between relaxing into the sensation and desperately wanting to watch him, you felt your elbows dig out earth until you could feel the damp soil turned. It was around then he reached the end of what wasn’t submerged and you watched on with surprise as he dipped below the surface to continue on as if there were no barrier. Kisses mixed with the water, you shifted at the totally different feel of them.

Like a smithy cooling down heated metal, his lips no longer scorched. Instead you felt the weight of them, different with each press. It seemed to have meaning and you could think only of Morse code from the way he kissed and nosed you. Surpassing your sex, he tortured you down into the depths as he mouthed along your legs until he left you completely.

Sitting up and digging further into the mud to do so, you found him doing a circling spin before he returned to you. It almost seemed like one of S.H.E.L.L.D.O.N.’s moves where excitement overwhelmed him and he had to do something aerobic to burn off the excess energy. He then breached the water as if it didn’t want to let him go. A being of the lake, he shot straight for your lips and within the lock he spread you for him.

Settling between your legs, you were pulled further into the water until your mons met flush with his plastron. He ground there, finding a good pressure and friction smoothed by the pond. Groaning into his lips, you had to break the lock and press your forehead into his. He agreed to the butting and stared a blurry visage into your eyes as he continued to rock against you.

Knowing there was no way scents were traveling from the water, he must have found timing from your expression alone as he let up right until it was becoming too much. He stopped there and you whined at the loss. Not ignoring you, but on some sort of track, he only adjusted the angle of your hips before his glans pressed to your entrance. “Inside…” A mumble came off your lips involuntarily. “Need you inside.”

He complied with his actions, but gave you only a short few agonizing inches.

“Donnie!” You protested, coming down from your eyes rolling back to find him drinking you in. “Y-you’re doing that on purpose. Please. Inside.” You wanted to kick him, but the angle was wrong so you dug your heel into his calf. “All the way.”

He gave an apologetic chirp into your throat which caused your toes to curl. “Want to take my time. Savor you.”

Continuing with bare thrusts, he dug his fingers into the bank around your hips to watch how each movement affected you. Giving him an unbarred show of your reactions, you heard little stunted peeps out of him. He soon found a suitable rhythm for his tormenting quarter strokes until you couldn’t take it any longer. Rolling an arch so your shoulders hit the bank, it brought your hips up enough so your legs could encircle him. You locked them there, but instead of forcing him in, you tightened nice and slow like a belt. He squeaked at the sensation and bottomed out just in time to press his lips to yours.

The kiss didn’t feed your hunger as much as your hands did. Suddenly starved, you both groped one another around your connection. Trying to get enough, you felt his nails scratch your sides so you did something similar along the top of his carapace. It caused him to violently buck into you with enough force that you gave a pained cry. A warning from your hip bone about to pop, he quickly caught the stem and adjusted it to ease the pressure.

You both apologized in time and made out for it.

It was against your lips, he finally explained. “Didn’t hurt, surprised. I’ve never felt that.”

“A good kind of scratch?” You mumbled in return.

He nodded in a way that shook your head along with his.

“I’m gonna do it again.” You told him and he readied himself by burying his cock deep inside you.

Having to melt under the pleasure for a moment, you adjusted and ran along the edge of his shell before moving onto the plain of it. There you tested the angles of your digits before dragging your nails upward toward his head. He exhaled long and sultry in a flexible bend to chase your fingers. Renewing for multiple swipes, you felt him nearly shake at the sensation until he had to cry out at the overwhelming sensation of it all.

Shooting upright, his eyes held molten cores as he hoisted your legs up. Breaking your straddle, he dug into the thick of your thigh and bent them back against where your hip had already put out its alert. Sending a fearful gaze as the tinge was still there, he sent that boiling look that somehow had enough room to ask for your trust. He had it, but you felt the need to remind him, “Careful…”

“Want to see you quiver-” His hips dropped easily in the water so his cock moved in you at an upward angle. “-shake-” With a few brushing strokes, he found a way to stroke your clit instead of plowing it. “-and tremble for me.”

You shuddered, head tossed back in an attempt to stay together.

“Now, dearest...” He scolded and pulled out as far as his spread would allow to wait.

You felt tears in your eyes as it took you a long moment to force your chin down to look at him.

“Who’s giving you pleasure?”

You tried to form his name, but he sank in the barest amount.

“That’s right.” Pulling your legs apart he snapped forward to bury himself and you cried out in ecstasy. “Not the dome. You watch me.”

Needing to hold as a means to center your focus. Quaking digits dug into his shoulders where you felt an unevenness to the skin on his right one. Dizzy as he continued to set a pace, you thumbed the texture in a way that you sensed was important, but you couldn’t place why. Within a few more thrusts, Donnie finally caught onto your distraction and slowed for what you imagined was a complaint. One didn’t come, but cohesion did and with it you refocused your vision to see what you had found.

Those many bite marks you had made left an obvious scar.

Forgetting all about the sex, you shot upright which tugged him along. With a stuttered croak, he sank down to accommodate as you furiously swiped over the three messy crescents. Openly rubbing the bubbled green skin as if they might come off, you were overwhelmed with joyous tears. “It…worked?”

Since you wouldn’t part your attention, he pressed his snout against your cheek so you could feel him nod.

“We haven’t done it somewhere bright enough since, I hadn’t…” You choked up and sent the overwhelming emotion to him. “I hadn’t realized that I finally-!”

He returned your gaze with lowered lids of adoration and you had to jump him.

It put you on top and you sank down his length in time as your bodies dropped into the water. Nerves rose as the level hit your breasts and you broke from the kiss to translate that. Instead of quelling the concerns, you felt him plant his feet and throw one paddling arm back to maintain his backwards lean. With him keeping you afloat, you used him as a ballast to ride him. Swallowing up little stunted noises and moans, you found a flow that barely agitated the water.

Suctioned together, you felt the methodical cranking of your orgasms. Building a brick at a time, you moved together until you were back on the bank. Hips not stopping once, you both felt each stretch and flex to accommodate one another as the coupling drew out. Not carnal pleasure, but a near spiritual one, the water caused a strange illusion where the barrier between your bodies became especially murky. Attentive in missionary, the only parts of you separated came from above so you could watch each other achieve that high.

Breathing the same air, you felt your orgasm so close it was burning up your lungs. Gasping for it, you caught him for a quick transference that left him the breathless one. Lower halves melting together to where you imagined it would be impossible to pick him from you, your matching mating marks lined up.

That thought being your last coherent one, you couldn’t hold his gaze any longer as he drew his strokes out. In a needless attempt to get even that much closer, Donnie folded over you the moment you came.

Whatever wasn’t already him, coiled around him in need.

A burst of white took your vision until a similar one went off in your belly. Filled by your mate, he pumped it good and deep while rutting you down into the bank. Long rubbed loose by your ministrations, you felt the soil give beneath you for a sinking squelch that you thought might swallow your conjoined bodies up. Having cried or screamed sort of psychobabble only obvious by how raw your throat was, Donnie grunted. He continued to drive his spent into some unreachable depths and didn't slow until he completely collapsed.

Panting against one another in an exact tempo, you felt little twitches rock you like an earthquake. Fumbling lips found each other and uneven presses garnered your strength. From there the dance became a coordinated one until you were able to twirl apart with enough grace to view your partner clearly. Caked with sweat, mud, and pond water, you stared up affections that were sent back down.

When he lowered, it was no longer to catch your lips but scrub against your skin. You returned it, rooting against his cheek and chin until his knees shoved off the bank. Feeling the too cooled water kiss your baked spine, you shivered closer to Donnie and he wrapped you up while scrubbing you clean.

“Have we tainted the ecosystem?” You murmured, splashing up some water to clear a smear of dirt from his shell.

“Christened.”

“Didn’t peg you for a worship type.” You shot him a smarmy look. You were given one back before he covered your lips with a tight seal and dragged you under the depths as your oxygen.

Seriously it is such a busy time of year for @tmntxthings and @thepinkpanther83 I'm just so amazed they still make time to beta my work 😭💞

#weakspotfic #rottmnt #rottmnt donnie x reader #throwsback thursday

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