The story of the beautiful and seductive wife Mikari Ichimiya, whose husband loves her dearly, but due to her high sexual needs, she is always eager to have sex, to the point where at night she has to masturbate. One day, when her husband's boss came to visit and ended up staying over, in the middle of the night, he also craved his employee's wife because she is quite pretty, so he secretly sneaked into her bedroom to spy, only to unexpectedly discover her in the act of masturbating and then...