The story is based on visual novels by Tony Taka "Sora no Iro, Mizu no Iro". In the spotlight the development of relations of two sisters Asa and Natsume who fell in love with the same guy named Hajime. Instead of fighting for his heart they decide to divide it among themselves.

Hentai based on the adult game company "Clockup". The plot revolves around a boy and six girls locked in a mysterious room. It is actually sick room of torture, in which participants must perfectly obey big brother if you don't want to die. Select the guys there and they will have lots of kinky tests.