Demon Slayer Monster Au
*Firstly any and all art linked is by @rottencoreflesh101 and @yuki2sksksk on Tumblr.
*Secondly and this is VERY important!! The designs for the monsters linked ARE NOT the cannon ones used in the story!! I repeat my designs for them are different and I only linked the ones by other artists to give others an idea for what they MIGHT look like!! I do not claim these designs linked and they ARE NOT the designs used for the story!! Only to give a brief idea of what they are!! And they are not my art nor am I claiming them as such!!
Please support both original artists linked!!
This will tell you all about this small AU.
Hey everyone. In honor of Halloween I thought I'd bring you a second installment for Demon Slayer fans. But this time it'll be a bit different. Instead of a long storyline there will be just a few chapters and then multiple endings with all the Demon love interests from Demon Bride. Sorry for Haishira Lovers. I might do one with the Haishira cast in the future but I just really like the Demon Cast. This is just the summery chapter to introduce you to this small AU and what everyone's roles are in this storyline. I shall now refer to it as the Monster Bride au. Some designs are inspired by rottencoreflesh101 and yuki2sksksk on Tumblr but THIS IS A COMPLETELY different au from their monster au and nothing about their au is cannon to mine except maybe the monsters. With that out of the way let's get into the important info!
*What makes the Monster Bride AU different than the Demon Bride Au?
Well it's kinda like Demon Bride only all the demons are some kind of monster instead of a demon. Except all are intelligent races that can reproduce with humans (think Hotel Transylvania type of monsters). However in this au the Monster population is MUCH bigger than the human population and not everyone knows it. In order to keep peace, Kagaya's family runs a monster hunting business and they can be both hired by people to slay certain monsters or they slay them themselves. ONLY THE HOSTILE ONES HOWEVER. Kagaya has made it his mission to improve relationships with monsters and humans and only attack the hostile ones.
However some villages placate monsters by leaving offerings of food or their daughters as brides. However once every hundred years when there's a full blood moon, the monsters come out to drag away their wanted brides whether the unfortunate victim wants them or not.
(I like the bride trope don't mock me pls-)
Also not all the humans believe in monsters. Monsters are often VERY elusive so a lot of people still don't believe in them or don't know what to believe.
*Who are all the Haishira in Monster Bride?
All of them are just regular humans as in cannon but instead of just demon slayer they're all monster hunters.
-Kaygaya and his family has inherited the organization from his deceased father and run the entire thing to help people however in retaliation, Kagaya was cursed by a witch long ago with blindness. However the kind man doesn't blame all monsters and tries to help improve relationships by sending letters to the Monster King Muzan...Even if he never gets letters back.
-the Kocho Sisters plus Aoi and their helpers run the research and development sector of the organization. They sell everything from garlic to wolfsbane to breaking curses. Kaneo, Shinobu, and Kanae are also monster hunters specialists after a monster claimed the lives of their parents. Often relying on Shinobu's weird concoctions or traps They also receive samples of DNA and sometimes live monsters and/or their bodies from Kanae's fiance Sanemi and his brother or Shinobu's partner Giyuu. Kanae also believed that most monsters deserves a chance to be heard out even if her sisters and fiance disagrees.
-Sanemi, Genya, and Gyomei are some of the powerhouses in the organization and they usually handle the bigger problems or bigger monsters such as ogers or werewolves. Gyomei is actually the one training Genya after a demon attacked his temple leading him to join the organization. Sanemi and Genya joined not too longer after they had gotten old enough too after a tragedy with a vampire. A stray vampire had turned their mother leading her to slay most of their family aside from the two brothers. Gyomei is also an exorcist and helps to remove ghosts or helps the poor souls move on. He's also one of the teachers who teach the new recruits.
-Rengoku and Tengen often work together and can be quite a team. It is said Rengoku's family was blessed by a Phoenix spirit long ago giving his family the signature red hair. The two are the fastest of the monster slayers and are usually the ones to take jobs around towns or villages with monster problems. Sometimes they will be seen with Mitsuri is they need extra muscle.
-Mitsuri is the strongest and most flexible hunter and is the one who handles the REALLY big monsters like giants or dragons if they get too close to towns however she's also the negotiater between humans and monsters. If there's ever a situation that they can solve peacefully usually she's the one called to talk to the monster. She's also the one who's responsible for rehoming the tame magical creatures if they get too close to humans such as unicorns or jackolopes.
-Iguro is an expert hunter and usually has to help Gyomei teach the new hunters. He doesn't like it however. He is secretly dating Mitsuri after a cupid shot him with a confession arrow while the two were alone. Therefore he hates things like love potions and cupids. He literally dives under the nearest biggest object of he thinks he sees one. His expertise is hunting nagas and other reptile like monsters due to one killing most of his family and leaving him scared. The only monster he really won't say anything bad about is ghosts because he often sees them as poor lost souls.
-Tanjiro, Inosuke, Nezuko, and Zenitsu are monster hunters in training after one monster or another claimed the lives of their families. Zenitsu might have a crush on Nezuko which Tanjiro has mixed feelings about. He can often be seen training with the Tokito twins or being mentored by someone. Both Tokito boys were taken in by Gyomei after their parents died of natural causes
-Guyuu is a hunter that specializes in water based monsters. Rogue mermaids, sirens, water elementals, maybe even a young kraken or two. He's seen them all and can often be seen soaking wet from missions and dragging the carcus of some water dweller behind him for Shinobu and her sisters to study.
*Who are the Demons in Monster Bride?
All are some kind of monster but they're personalities are the same as cannon.
Muzan Kibutsuji
-The king of all monsters and non-human beings.
-He's part demon and part fae so he is INCREDIBLY powerful and handsome.
-his blood can be used to give blessings or curses however he can also turn a human into any monster he wishes. Was the one to turn Kokushibo into a monster.
-Lives in his own pocket dimension known as the infinity castle and rarely shows himself due to a secret fear of humans made by Yorichii. The only human he completely trusts is his wife Rei.
-Has a semi deal with the humans. If any creature invades their territory or causes harm then they are free game.
-Doesnt really make an appearance in the story.
Kokushibo
-Muzans right hand man and spy for anything he needs. Was turned into a monster by Muzan after willingly rejecting his humanity to become stronger.
-Was human however he was turned into an Omukade (centipede yokai) by Muzan. He looks like the links ago.
www.tumblr.com/hazbinextgeneration/731619890069487616/some-monster-au-doodles-i-did-at-work-im-also?source=share&ref=itshauntedtoon
-Out of all the monsters Kokushibo has slain the most hunters and is the most skilled fighter. Often using ambush attacks, being silent but deadly, and his lethal venom.
-He acts as Muzan's assistant doing anything he needs outside of the infinity castle
-He is also Kaigaku's mentor and raised him after finding him abandoned as a child.
-He can switch to his human form but it's incredibly painful
Douma
-Douma is possibly the second monster that has the most interactions with humans. He's a kelpie-centaur seen like in the links below
www.tumblr.com/hazbinextgeneration/731619890069487616/some-monster-au-doodles-i-did-at-work-im-also?source=share&ref=itshauntedtoon
www.tumblr.com/hazbinextgeneration/731619815851245568/wip-of-douma-and-daki-for-my-monster-au-since-i?source=share&ref=itshauntedtoon
-Douma has exactly 3 forms. His human form, centaur-ish form, and water form where his horse back legs turn into a fish tail. He can breath underwater, and use his skin like glue when he wills it so. He often likes to pretend to be a centaur or human to catch prey off guard or visit Akaza in his body of water.
-Douma rules over a pretty large lake that's just chalk FULL of fish and other wild life. Surrounding villages think he is some kind of water god and make sacrifices in exchange for letting them take fish from his lake. He devours any sacrifice his lovely followers gift him although raw beef and human flesh is his favorites.
-he likes bothering Akaza as he's one of the few monsters that'll pay attention to him mostly by yelling or fights.
-He has a special relationship with Daki and Gyutaro. Mostly because he partially raised them after their mother attempted to drown Gyutaro in his lake. He ended up drowning her instead and devouring her body. However he took mercy upon the siblings when realizing that they weren't human either.
-He often drags big fish to their forest home or sometimes brings them his human sacrifices. Was also the one to give Gyutaro tips on navigating around hunters if he encountered them.
Akaza
-Akaza is a Betta fish merman like seen in the links below
www.tumblr.com/yuki2sksksk/729990049783021568/lionfish-based-merman-kyojuro-and-betta-fish-based?source=share&ref=itshauntedtoon
-Was actually born into a human village with a poor father whom fell in love with a mermaid. It is unclear what happened to his mother however his father tragically took his own life.
-Was once engaged to a human woman called Koyuki but a group of male villagers murdered both her and her father after learning of her monster fiance. After murdering all the ones responsible, Akaza fled to the safety of a nearby series of streams where he continues to live.
-Because of his experiences from humans, Akaza drowns any unsuspecting men whom wonder into his waters but spares women and children. However he remains unseen so everyone just thinks the series of streams are cursed.
-Met Douma when the kelpie-centaur attempted to eat a woman who was fishing in one of his streams. Akaza was luckily able to save her but now Douma somehow sees him as his 'best friend' and continues to make numerous trips a year to see him. Akaza hates him for his eating habits.
Nakime
-Not much is known about her. Her identity is mostly secret to everyone but Muzan.
-He is a cyclops siren hybrid but instead of her voice her power stems from her musical talent for the biwa.
-was taken in by Muzan after he saved her from a hunter and she now dutifully serves him mostly by transporting him and his family about the areas.
-was rumored to once be a famous entertainer for a king
Hantengu And His Sons
Hantengu:
-Hantengu is a shadow elemental often using his abilities to hide in the shadows and whimper and cry until one of his sons find him and brings him home again. He can also shrink his size and has a slight victim complex.
-Was married long ago to a harpy woman who bore him fives sons. However she was tragically killed by some humans when caught stealing a cow when Zohakuten was a baby.
-The death of his wife has made him fear humans more and make his sons very protective of him.
Sekido
-The oldest quadruplet brother and the angriest.
-A lightning elemental. He is 100% immune to lightning and often can be found outside in thunderstorms
-He's the leader of the brothers even if Urogi and Karaku don't always listen to him.
-Surprisingly doesn't hate humans but finds them really, really, REALLY weak and annoying and if one would annoy him he wouldn't hesitate to taze them.
Karaku:
-The second eldest brother and the one with the most experience with humans.
-He has actually dated quite a lot of men and women humans
-Wind elemental
-The most carefree flirty brother and doesn't get along with Gyutaro after flirting with Daki once and then being chased by an angry wendigo brother.
Urogi:
-Urogi is a golden eagle harpy being the only one who took after their mother and the third oldest
-Also the second friendliest of the brothers and like Karaku has had a few relationships with them.
-LOVES hunting prey. Everything from rabbits to giant bears. It's the birds of prey in him.
-Unlike Karaku however he knows how to tone it down more and laughs whenever he's chased by another's angry partner.
Aizetsu:
-Metal elemental and youngest of the quadruplets.
-Aizetsu is the weakest of his brothers being only able to use the iron in his body to create weapons however his favorite is a spear he usually carries in his back.
-Being the weakest has him being self conscious of himself despite his kind demeanor
-He enjoys any compliments or praise he gets and often gets crushed easily.
Zohakuten:
-Tree elemental and the youngest brother of the Hantengu boys. Can manipulate wood and trees.
-The strongest of the brothers despite being only fourteen years old.
-He's as hotheaded as Sekido and often the two will fight and but heads even though they do legitimately care for one another. However his closest brother is Aizetsu whom listens to him. He's also the one who usually stays home with their father.
-Has five earth dragons as pets and gave them all tree names: Maple, Oak, Pine, Birch, and Willow. They were gifted to him as babies by Urogi whom found them while hunting.
Gyokko
-Was a merman mutated by a curse for stealing a vase from a sea witch, is now a spirit cursed to forever haunt the vase he once stole.
-Despite his appearance he's surprisingly content and often just wants to be left alone to work on his own artwork.
-VERY gay for Hantengu
-Doesnt really show up in the story
Gyutaro
-a wendigo born from a wendigo father and human mother. Looks like the links below
www.tumblr.com/hazbinextgeneration/731619937633828864/gyutaro-daki-monster-au-wips-bleh?source=share&ref=itshauntedtoon
-theres not really a lot of his kind left due to humans constantly hunting them. So he's usually on edge especially when it comes to his little sister. No human or monster is allowed near her except for Douma who half raised them as kids. He's also very self conscious about his appearance due to not getting enough food sometimes.
-hates humans for their treatment of him and the fact their mother attempted to drown him as a child. Although...he finds a few human women very pretty looking. Y/n in particular. Not as beautiful as his sister though!
-he secretly likes having someone scratch behind his ears. His tail thumps when someone does scratch him there
Daki
-Daki is a beautiful albino fuzzy drider (spider centaur creature) born from a human mother and drider father and looks like the art linked below
www.tumblr.com/hazbinextgeneration/731619937633828864/gyutaro-daki-monster-au-wips-bleh?source=share&ref=itshauntedtoon
-despite a spider's reputation, many creatures both human and non-human alike have come to try and court her. Most are usually caught in her webs for food or run off or killed by her older brother. The only creature they both welcome unconditionally is Douma who partially raised them and often brings food if they haven't eaten in a while.
-her views on humans is...mixed. she adores the jewelry and cloth they make and her brother seems to have a crush on one. Plus some are delicious! But on the other hand they're really REALLY annoying.
-He's often very vain and complains a lot but is very protective of her brother for how much his kind is hated and hunted by humans so she often puts up web traps around their home.
Enmu
-Corrupted sandman, A K.A. Boogeyman. This man used to work for the man in the moon but would torment the poor souls he was supposed to help sleep by giving them traumatic nightmares. After he was caught he was immediately kicked out and banned from the moon's light.
-knows many kinds of tricks including hypnotism and a few medical techniques from being around humans for so long.
-he's nocturnal and usually sleeps in the shadows or somewhere dark during the day to walk around and torment others dreams at night. However he was surprised to find someone not affected by his abilities.
-he adores the human invention of trains and thus is often spotted sleeping hidden away in train stations or on trains or tormenting sleeping people on trains.
Kaigaku
-Kaigaku is the only known demon-vampire hybrid and was abandoned by his parents as a young child. Was later found by Kokushibo and trained him to use a sword.
-He's not very powerful amongst other monsters but is definitely faster and stronger than a human. He also doesn't need blood to live like a full blooded vampire however he drinks it to make himself more powerful. Different monster's blood has different effects on him.
-Despite his blood thirsty heritage he adores peaches and any food with the fruit in it. He's actually gotten in trouble a lot for trespassing onto human farms for the fruit and was chased away by angry villagers.
-his demon half cancels out most of his vampire halfs weakness. So while he CAN walk in sunlight he's prone to get sunburns very easily. More than once he's shown up to training with red patches all over him.
Susamaru and Yahaba
-both are yokai whom work for Muzan
-they usually just protect his human wife and child whenever they go out and Kokushibo can't accompany them
-they surprisingly work well together
-they don't appear in the story
Kyogai
-Elf-demon hybrid and is actually pretty weak. Is the reason he prefers to remain hidden in his forest mansion and write.
-his two main hobbies are writing and playing the Tsuzumi drum even though he's not very confident about either because of his now deceased father's constant disapproval.
-Actually very neautal towards humans. He doesn't hate them but he doesn't want them around either preferring to just be better left alone. However he does go into monster friendly towns nearby to purchase more books or writing utensils.
-has secretly published MANY popular books under a fake name and has made a decent amount of money from it.
Rui
-Spider tiefling.
-He lives with his parents and many brothers and sisters in the forest and often they compete with driders for territory and food both being spider creatures.
-he's very much like his cannon self and doesn't make an appearance in this story but thought it'd be interesting to mention him anyways.
Honorable Mentions
-Rei is a human while her and Muzan's daughter is a mixture of demon, Fae, and human but looks completely human.
-Hairou is plain and simple a vampire.
-The Swamp Demon is of course a trio of Swamp Monster triplets.
-Yushiro is a fae. Either a fairy or elf.
*What is Tamayo in the AU?
A celestial maiden and Y/n's mother. She was very beautiful and many men attempted to work her, Muzan included before he met Rei years later. Instead she fell in love with a human before he tragically passed away.
She again fell in love with Y/n's father after healing him and years later Y/n was born. Those related to a celestial maiden are blessed with kindness and beauty and Y/n is no exception. And unlike Demon Bride, Y/n does have a good relationship with her parents.
I left whom Y/n's father is ambiguous so you can imagine if it's Yushiro or not.
*What is Y/n in Monster Bride?
Despite her mother being a celestial maiden, Y/n was born completely human. I also left what Y/n looks like completely up to interpretation. So imagine her to look however YOU want.
Kokushibo, Douma, Akaza, Sekido, Urogi, Aizetsu, Karaku, Enmu, Kaigaku, Gyutaro, and Kyogai
*Firstly any and all art linked is by rottencoreflesh101 and yuki2sksksk on Tumblr.
*Secondly and this is VERY important!! The designs for the monsters linked ARE NOT the cannon ones used in the story!! I repeat my designs for them are different and I only linked the ones by other artists to give others an idea for what they MIGHT look like!! I do not claim these designs linked and they ARE NOT the designs used for the story!! Only to give a brief idea of what they are!!
This will tell you all about this small AU.
Hey everyone. In honor of Halloween I thought I'd bring you a second installment for Demon Slayer fans. But this time it'll be a bit different. Instead of a long storyline there will be just a few chapters and then multiple endings with all the Demon love interests from Demon Bride. Sorry for Haishira Lovers. I might do one with the Haishira cast in the future but I just really like the Demon Cast. This is just the summery chapter to introduce you to this small AU and what everyone's roles are in this storyline. I shall now refer to it as the Monster Bride au. Some designs are inspired by rottencoreflesh101 and yuki2sksksk on Tumblr but THIS IS A COMPLETELY different au from their monster au and nothing about their au is cannon to mine except maybe the monsters. With that out of the way let's get into the important info!
*What makes the Monster Bride AU different than the Demon Bride Au?
Well it's kinda like Demon Bride only all the demons are some kind of monster instead of a demon. Except all are intelligent races that can reproduce with humans (think Hotel Transylvania type of monsters). However in this au the Monster population is MUCH bigger than the human population and not everyone knows it. In order to keep peace, Kagaya's family runs a monster hunting business and they can be both hired by people to slay certain monsters or they slay them themselves. ONLY THE HOSTILE ONES HOWEVER. Kagaya has made it his mission to improve relationships with monsters and humans and only attack the hostile ones.
However some villages placate monsters by leaving offerings of food or their daughters as brides. However once every hundred years when there's a full blood moon, the monsters come out to drag away their wanted brides whether the unfortunate victim wants them or not.
(I like the bride trope don't mock me pls-)
Also not all the humans believe in monsters. Monsters are often VERY elusive so a lot of people still don't believe in them or don't know what to believe.
*Who are all the Haishira in Monster Bride?
All of them are just regular humans as in cannon but instead of just demon slayer they're all monster hunters.
-Kaygaya and his family has inherited the organization from his deceased father and run the entire thing to help people however in retaliation, Kagaya was cursed by a witch long ago with blindness. However the kind man doesn't blame all monsters and tries to help improve relationships by sending letters to the Monster King Muzan...Even if he never gets letters back.
-the Kocho Sisters plus Aoi and their helpers run the research and development sector of the organization. They sell everything from garlic to wolfsbane to breaking curses. Kaneo, Shinobu, and Kanae are also monster hunters specialists after a monster claimed the lives of their parents. Often relying on Shinobu's weird concoctions or traps They also receive samples of DNA and sometimes live monsters and/or their bodies from Kanae's fiance Sanemi and his brother or Shinobu's partner Giyuu. Kanae also believed that most monsters deserves a chance to be heard out even if her sisters and fiance disagrees.
-Sanemi, Genya, and Gyomei are some of the powerhouses in the organization and they usually handle the bigger problems or bigger monsters such as ogers or werewolves. Gyomei is actually the one training Genya after a demon attacked his temple leading him to join the organization. Sanemi and Genya joined not too longer after they had gotten old enough too after a tragedy with a vampire. A stray vampire had turned their mother leading her to slay most of their family aside from the two brothers. Gyomei is also an exorcist and helps to remove ghosts or helps the poor souls move on. He's also one of the teachers who teach the new recruits.
-Rengoku and Tengen often work together and can be quite a team. It is said Rengoku's family was blessed by a Phoenix spirit long ago giving his family the signature red hair. The two are the fastest of the monster slayers and are usually the ones to take jobs around towns or villages with monster problems. Sometimes they will be seen with Mitsuri is they need extra muscle.
-Mitsuri is the strongest and most flexible hunter and is the one who handles the REALLY big monsters like giants or dragons if they get too close to towns however she's also the negotiater between humans and monsters. If there's ever a situation that they can solve peacefully usually she's the one called to talk to the monster. She's also the one who's responsible for rehoming the tame magical creatures if they get too close to humans such as unicorns or jackolopes.
-Iguro is an expert hunter and usually has to help Gyomei teach the new hunters. He doesn't like it however. He is secretly dating Mitsuri after a cupid shot him with a confession arrow while the two were alone. Therefore he hates things like love potions and cupids. He literally dives under the nearest biggest object of he thinks he sees one. His expertise is hunting nagas and other reptile like monsters due to one killing most of his family and leaving him scared. The only monster he really won't say anything bad about is ghosts because he often sees them as poor lost souls.
-Tanjiro, Inosuke, Nezuko, and Zenitsu are monster hunters in training after one monster or another claimed the lives of their families. Zenitsu might have a crush on Nezuko which Tanjiro has mixed feelings about. He can often be seen training with the Tokito twins or being mentored by someone. Both Tokito boys were taken in by Gyomei after their parents died of natural causes
-Guyuu is a hunter that specializes in water based monsters. Rogue mermaids, sirens, water elementals, maybe even a young kraken or two. He's seen them all and can often be seen soaking wet from missions and dragging the carcus of some water dweller behind him for Shinobu and her sisters to study.
*Who are the Demons in Monster Bride?
All are some kind of monster but they're personalities are the same as cannon.
Muzan Kibutsuji
-The king of all monsters and non-human beings.
-He's part demon and part fae so he is INCREDIBLY powerful and handsome.
-his blood can be used to give blessings or curses however he can also turn a human into any monster he wishes. Was the one to turn Kokushibo into a monster.
-Lives in his own pocket dimension known as the infinity castle and rarely shows himself due to a secret fear of humans made by Yorichii. The only human he completely trusts is his wife Rei.
-Has a semi deal with the humans. If any creature invades their territory or causes harm then they are free game.
-Doesnt really make an appearance in the story.
Kokushibo
-Muzans right hand man and spy for anything he needs. Was turned into a monster by Muzan after willingly rejecting his humanity to become stronger.
-Was human however he was turned into an Omukade (centipede yokai) by Muzan. He looks similar to the links ago.
www.tumblr.com/hazbinextgeneration/731619890069487616/some-monster-au-doodles-i-did-at-work-im-also?source=share&ref=itshauntedtoon
-Out of all the monsters Kokushibo has slain the most hunters and is the most skilled fighter. Often using ambush attacks, being silent but deadly, and his lethal venom.
-He acts as Muzan's assistant doing anything he needs outside of the infinity castle
-He is also Kaigaku's mentor and raised him after finding him abandoned as a child.
-He can switch to his human form but it's incredibly painful
Douma
-Douma is possibly the second monster that has the most interactions with humans. He's a kelpie-centaur similar like in the links below
www.tumblr.com/hazbinextgeneration/731619890069487616/some-monster-au-doodles-i-did-at-work-im-also?source=share&ref=itshauntedtoon
www.tumblr.com/hazbinextgeneration/731619815851245568/wip-of-douma-and-daki-for-my-monster-au-since-i?source=share&ref=itshauntedtoon
-Douma has exactly 3 forms. His human form, centaur-ish form, and water form where his horse back legs turn into a fish tail. He can breath underwater, and use his skin like glue when he wills it so. He often likes to pretend to be a centaur or human to catch prey off guard or visit Akaza in his body of water.
-Douma rules over a pretty large lake that's just chalk FULL of fish and other wild life. Surrounding villages think he is some kind of water god and make sacrifices in exchange for letting them take fish from his lake. He devours any sacrifice his lovely followers gift him although raw beef and human flesh is his favorites.
-he likes bothering Akaza as he's one of the few monsters that'll pay attention to him mostly by yelling or fights.
-He has a special relationship with Daki and Gyutaro. Mostly because he partially raised them after their mother attempted to drown Gyutaro in his lake. He ended up drowning her instead and devouring her body. However he took mercy upon the siblings when realizing that they weren't human either.
-He often drags big fish to their forest home or sometimes brings them his human sacrifices. Was also the one to give Gyutaro tips on navigating around hunters if he encountered them.
Akaza
-Akaza is a Betta fish merman similar to the art seen in the links below
www.tumblr.com/yuki2sksksk/729990049783021568/lionfish-based-merman-kyojuro-and-betta-fish-based?source=share&ref=itshauntedtoon
-Was actually born into a human village with a poor father whom fell in love with a mermaid. It is unclear what happened to his mother however his father tragically took his own life.
-Was once engaged to a human woman called Koyuki but a group of male villagers murdered both her and her father after learning of her monster fiance. After murdering all the ones responsible, Akaza fled to the safety of a nearby series of streams where he continues to live.
-Because of his experiences from humans, Akaza drowns any unsuspecting men whom wonder into his waters but spares women and children. However he remains unseen so everyone just thinks the series of streams are cursed.
-Met Douma when the kelpie-centaur attempted to eat a woman who was fishing in one of his streams. Akaza was luckily able to save her but now Douma somehow sees him as his 'best friend' and continues to make numerous trips a year to see him. Akaza hates him for his eating habits.
Nakime
-Not much is known about her. Her identity is mostly secret to everyone but Muzan.
-He is a cyclops siren hybrid but instead of her voice her power stems from her musical talent for the biwa.
-was taken in by Muzan after he saved her from a hunter and she now dutifully serves him mostly by transporting him and his family about the areas.
-was rumored to once be a famous entertainer for a king
Hantengu And His Sons
Hantengu:
-Hantengu is a shadow elemental often using his abilities to hide in the shadows and whimper and cry until one of his sons find him and brings him home again. He can also shrink his size and has a slight victim complex.
-Was married long ago to a harpy woman who bore him fives sons. However she was tragically killed by some humans when caught stealing a cow when Zohakuten was a baby.
-The death of his wife has made him fear humans more and make his sons very protective of him.
Sekido
-The oldest quadruplet brother and the angriest.
-A lightning elemental. He is 100% immune to lightning and often can be found outside in thunderstorms
-He's the leader of the brothers even if Urogi and Karaku don't always listen to him.
-Surprisingly doesn't hate humans but finds them really, really, REALLY weak and annoying and if one would annoy him he wouldn't hesitate to taze them.
Karaku:
-The second eldest brother and the one with the most experience with humans.
-He has actually dated quite a lot of men and women humans
-Wind elemental
-The most carefree flirty brother and doesn't get along with Gyutaro after flirting with Daki once and then being chased by an angry wendigo brother.
Urogi:
-Urogi is a golden eagle harpy being the only one who took after their mother and the third oldest
-Also the second friendliest of the brothers and like Karaku has had a few relationships with them.
-LOVES hunting prey. Everything from rabbits to giant bears. It's the birds of prey in him.
-Unlike Karaku however he knows how to tone it down more and laughs whenever he's chased by another's angry partner.
Aizetsu:
-Metal elemental and youngest of the quadruplets.
-Aizetsu is the weakest of his brothers being only able to use the iron in his body to create weapons however his favorite is a spear he usually carries in his back.
-Being the weakest has him being self conscious of himself despite his kind demeanor
-He enjoys any compliments or praise he gets and often gets crushed easily.
Zohakuten:
-Tree elemental and the youngest brother of the Hantengu boys. Can manipulate wood and trees.
-The strongest of the brothers despite being only fourteen years old.
-He's as hotheaded as Sekido and often the two will fight and but heads even though they do legitimately care for one another. However his closest brother is Aizetsu whom listens to him. He's also the one who usually stays home with their father.
-Has five earth dragons as pets and gave them all tree names: Maple, Oak, Pine, Birch, and Willow. They were gifted to him as babies by Urogi whom found them while hunting.
Gyokko
-Was a merman mutated by a curse for stealing a vase from a sea witch, is now a spirit cursed to forever haunt the vase he once stole.
-Despite his appearance he's surprisingly content and often just wants to be left alone to work on his own artwork.
-VERY gay for Hantengu
-Doesnt really show up in the story
Gyutaro
-a wendigo born from a wendigo father and human mother. Looks similar to the links below
www.tumblr.com/hazbinextgeneration/731619937633828864/gyutaro-daki-monster-au-wips-bleh?source=share&ref=itshauntedtoon
-theres not really a lot of his kind left due to humans constantly hunting them. So he's usually on edge especially when it comes to his little sister. No human or monster is allowed near her except for Douma who half raised them as kids. He's also very self conscious about his appearance due to not getting enough food sometimes.
-hates humans for their treatment of him and the fact their mother attempted to drown him as a child. Although...he finds a few human women very pretty looking. Y/n in particular. Not as beautiful as his sister though!
-he secretly likes having someone scratch behind his ears. His tail thumps when someone does scratch him there
Daki
-Daki is a albino jorogumo Yokai (spider centaur creature) born from a human mother and drider father and looks similar the art linked below
www.tumblr.com/hazbinextgeneration/731619937633828864/gyutaro-daki-monster-au-wips-bleh?source=share&ref=itshauntedtoon
-despite a spider's reputation, many creatures both human and non-human alike have come to try and court her. Most are usually caught in her webs for food or run off or killed by her older brother. The only creature they both welcome unconditionally is Douma who partially raised them and often brings food if they haven't eaten in a while.
-her views on humans is...mixed. she adores the jewelry and cloth they make and her brother seems to have a crush on one. Plus some are delicious! But on the other hand they're really REALLY annoying.
-He's often very vain and complains a lot but is very protective of her brother for how much his kind is hated and hunted by humans so she often puts up web traps around their home.
Enmu
-Corrupted sandman, A K.A. Boogeyman. This man used to work for the man in the moon but would torment the poor souls he was supposed to help sleep by giving them traumatic nightmares. After he was caught he was immediately kicked out and banned from the moon's light.
-knows many kinds of tricks including hypnotism and a few medical techniques from being around humans for so long.
-he's nocturnal and usually sleeps in the shadows or somewhere dark during the day to walk around and torment others dreams at night. However he was surprised to find someone not affected by his abilities.
-he adores the human invention of trains and thus is often spotted sleeping hidden away in train stations or on trains or tormenting sleeping people on trains.
Kaigaku
-Kaigaku is the only known demon-vampire hybrid and was abandoned by his parents as a young child. Was later found by Kokushibo and trained him to use a sword.
-He's not very powerful amongst other monsters but is definitely faster and stronger than a human. He also doesn't need blood to live like a full blooded vampire however he drinks it to make himself more powerful. Different monster's blood has different effects on him.
-Despite his blood thirsty heritage he adores peaches and any food with the fruit in it. He's actually gotten in trouble a lot for trespassing onto human farms for the fruit and was chased away by angry villagers.
-his demon half cancels out most of his vampire halfs weakness. So while he CAN walk in sunlight he's prone to get sunburns very easily. More than once he's shown up to training with red patches all over him.
Susamaru and Yahaba
-both are yokai whom work for Muzan
-they usually just protect his human wife and child whenever they go out and Kokushibo can't accompany them
-they surprisingly work well together
-they don't appear in the story
Kyogai
-Elf-demon hybrid and is actually pretty weak. Is the reason he prefers to remain hidden in his forest mansion and write.
-his two main hobbies are writing and playing the Tsuzumi drum even though he's not very confident about either because of his now deceased father's constant disapproval.
-Actually very neautal towards humans. He doesn't hate them but he doesn't want them around either preferring to just be better left alone. However he does go into monster friendly towns nearby to purchase more books or writing utensils.
-has secretly published MANY popular books under a fake name and has made a decent amount of money from it.
Rui
-Spider tiefling.
-He lives with his parents and many brothers and sisters in the forest and often they compete with driders for territory and food both being spider creatures.
-he's very much like his cannon self and doesn't make an appearance in this story but thought it'd be interesting to mention him anyways.
Honorable Mentions
-Rei is a human while her and Muzan's daughter is a mixture of demon, Fae, and human but looks completely human.
-Hairou is plain and simple a vampire.
-The Swamp Demon is of course a trio of Swamp Monster triplets.
-Yushiro is a fae. Either a fairy or elf.
*What is Tamayo in the AU?
A celestial maiden and Y/n's mother. She was very beautiful and many men attempted to work her, Muzan included before he met Rei years later. Instead she fell in love with a human before he tragically passed away.
She again fell in love with Y/n's father after healing him and years later Y/n was born. Those related to a celestial maiden are blessed with kindness and beauty and Y/n is no exception. And unlike Demon Bride, Y/n does have a good relationship with her parents.
I left whom Y/n's father is ambiguous so you can imagine if it's Yushiro or not.
*What is Y/n in Monster Bride?
Despite her mother being a celestial maiden, Y/n was born completely human. I also left what Y/n looks like completely up to interpretation. So imagine her to look however YOU want.
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