Frustrated with her incompetent underling, department chief Yuki lets off steam in the empty office after work. That day, Yuki returns to the company drunk from a business dinner to find her subordinate still working late. Concerned for her, he decides to take her home and care for her, but ends up taking unexpected action. Though Yuki maintains a strict boss attitude at work, once her underling penetrates her, she transforms completely into a submissive woman. Enjoy the sight of her complete surrender.