Takeshi failed his exams and ended up spending a period of unemployment at his brother's house. Takeshi, who lives under the same roof, feels more than his sister-in-law. Whether or not she knows Takeshi's feelings, she will seduce him with her sexy body and voice. However, the temptation always ends with a stop. The real purpose of Kana's temptation was the reverse night in the couple's bedroom. "Sex next to your brother sleeping. I'll be waiting in the bedroom tonight...".