Based on the game by Guilty+.A sexually unsatisfied mother seeks the thrills of sex with her son while he is asleep; or at least that is what she thinks. This however triggers her son to eventually rape his mother and blackmail his step-sister into having sex with him.

Based on the manga by Miyabi Tsuzuru.Kazuhiko has a big crush on his stepmother, or rather, he wants to have sex with her. Since he can't just ask it from her directly nor force it on her, he comes up with quite a devious plan, step by step leading him closer to his goal. But in the end, his stepmother won't be enough for him...

Taketo returns for another competition with his father to see who can bed Yukie, and as many members of her family at one time and how often. Will they be able to call a truce, or will the sisters be caught in the crossfire? And when Yumi, his father's secretary, gets in on the act, a six-way is inevitable.

A sincere older step-sister and a curious younger step-sister are doomed to become love slaves. One day, a house wife named Yukie has a traffic accident. She is ordered to pay a large settlement to the other party, Taketo, the son of the owner/president of Nogawa Industries. Unable to make the settlement payment, Yukie allows Taketo to have her sexually. At the same time, Takato's father, Nogawa, approaches Yukie's step-daughter, Rumi, and blackmails her. His evil scheme even reaches for Tomoko, Yukie's younger step-sister.