Eriko is a section manager at a medium-sized company and leads her subordinates. Recently, she hasn't had sex at night, and her sexual desire is growing day by day. Unable to suppress her heated body, she sets her sights on her subordinate Takato... As soon as she invites him to her house, she approaches him with her ripe, voluptuous body, and enjoys the act with Takato with her boiling carnal desire. Meanwhile, Takato has become captivated by Eriko and whenever he finds time, he indulges in a secret affair with her. However, his colleague Tomono finds out about it...