Nanatsuiro Drops Anime Trailer (?) I never found much information regarding this piece of PV, seems like to be the anime trailer but the final product suffered so many changes.
I've also found some douga (60 pages) for sale regarding this PV with director notes
Nanatsuiro Drops Pure - PS2 Announcement Advertisment
Yuuki & Sumomo are make their announcement when a mysterious voice (Satsuki Julirsia) interrupts their radio show, to present the ps2 port of Nanatsuiro Drops, introducing new characters, cg and story
Sumomo's mother and Natsume's sister; Sumomo is nearly a mirror-image of her. She was considered the greatest Stellar Spinner of all time. It is cited in the anime that she was once able to capture three stardrops at once on her first day in the human world with a single spell. Soon after coming to the human world, she fell in love with a human and though it was forbidden, she forsook her place in Figurare and eventually gave birth to Sumomo. It is also stated that after giving birth to her she moved to America as a fashion designer, earning money for her family. She later creates a replica of her uniform or sends her old uniform to Sumomo to use.
Nanatsuiro Drops Worldbuilding:
Once the stella spiener collects any stardrop they’re required to put them inside a container if not the drop will evaporate-
Once its inside a container it reverts back to its liquid form, each of the 7 star drops corresponds a different color