Iori Kosaka is the graphic artist of the Flower Studios.
As part of the Flower staff Yuri she the graphic designer of the team. However at time when meeting are held she usually falls asleep.
Yuri Kousaka was created for the 2010 ero game Eroge! H mo Game mo Kaihatsu Zanma by Clockup. There is information on where Clockup had the idea for her character design at this time.
She got big boobs.
I the main story arc from Eroge! she and the rest of the flower team must try and come up with a new more exiting eroge game. To learn about the way of erotcism more deeply, she and the rest of the cast have sexual intercourse with the male lead Tomoya Mochizuki.
Yuri has no real powers to speak of, but she is very good a graphic design.