W Anal Sister - sister who puts a kobushi into her sister's anal.

His parents died and he was taken away by his uncle Takimoto. The hencho-kyo (the teachings of Confucianism) that are given is the perverted nature of Takimoto, which gradually reveals itself. They were told that they would eventually take one of their sisters away. Hikaru suggests that "Let's get out of here and live alone even if we are poor," but ...