After failing his exams, takashi spends his repeat year living with his brother and sister-in-law. Takashi develops feelings for kana beyond those of a sister-in-law. Kana, with her sexy body and voice, teases takashi, but always leaves him wanting more. Kana's true intention is to have sex in the bedroom while her husband is sleeping next to them. "Sex is with my husband sleeping right next to us. I'll be waiting for you in the bedroom tonight..."