After failing his entrance exams, Takeshi ends up spending his time studying for entrance exams at his brother's house. But he has feelings for Kana, who lives under the same roof as him, that go beyond those of a brother's wife... Whether she knows his feelings or not, Kana seduces him with her overly sexy body and voice. But her seduction always ends with a halt. The real purpose of Kana's seduction is to have sex with him in the couple's bedroom. "Sex will be next to you while you sleep. I'll be waiting for you in the bedroom tonight..."