The housewife Kana's problem is that her husband has premature ejaculation. One day, she hires a worker to repair the exterior wall of her home and falls in love at first sight. The man also falls for her beauty. However, unable to directly confess her feelings to the man, Kana comes up with the idea of deliberately dropping her keys near him. Thus, she becomes engrossed in the intense sex that she cannot achieve with her husband. Her beautiful body is ignited by lust.
