Otani, who is shared room with his best friend, is asked by his best friend to take care of his sister, Umisaki.At first glance, it seems to be a small girl, Kaisaki, a small girl, but it was actually a good female gaki!Stop Otani while showing off the underwear and nipples.This is ... I can't stand this!As a result of the reason for reason, it turns into a cute little devil all day long!
