Takeshi failed the exam and ended up spending a ronin period at his brother's and his wife's house. Such Takeshi had more feelings for Kana, who lived under one roof, than his brother-in-law. Whether or not she knows Takeshi's feelings, she will seduce Takeshi with her too sexy body and voice. However, the temptation always ends with a stop. The real purpose of Kana's seduction was a reverse night in the couple's bedroom. "SEX is next to my brother sleeping, I'm waiting in the bedroom tonight ..."