The six-shot chujo (the middle of the game), incest and close intercourse with each other, one hundred tadokoro.

My mother's hundred yen is about to get jealous these days. One day, when Shinji was scrambling to cheer him up, he witnessed a scene in which Hyakkai had an obsession with masturbation. In order to fill his mother's jealousy, Shinji decided to hold a hundred yen on behalf of his father. Although Yuri, who understands that it is a modest kindness, accepts the forbidden relationship. Shinji was a widow; beyond the limit of one hundred yen, Shinji's piston continued on and on.