After being headhunted, Minami Hatsukawa is suddenly put in charge of a department. One day, she warns a bad employee who is always slacking off, but he doesn't improve, and when she warns him repeatedly, he ends up holding a grudge against her. Later, when the bad employee, who is working overtime on a rare occasion, drinks some brewed coffee, he suddenly feels sleepy and falls asleep. When she wakes up after a while, she finds herself being raped by the man she hates the most. She tries to resist with her numb body, but she climaxes multiple times from the inexplicable pleasure she is feeling for the first time...