Ai Sayama is married to a husband whose sex life with her husband has never been satisfied, he always comes out before she feels happy. One day, Ai's husband's nephew, Takeshi, came to stay for a few days for a job interview. Unexpectedly, on that fateful night, the boy sneaked into Ai's room when her husband was drunk to fuck his aunt. It just happened pretty quickly, and then after another incident he told his aunt that "I've liked you for a long time."