After a successful business meeting, the female superior suddenly finds herself without a hotel room. Trapped in a shared room with her subordinate due to a setup, she is quickly cornered in the confined space. This film depicts her enduring an intense night of relentless sex—eleven rounds in total—showcasing an insatiable act of cuckolding. It realistically portrays how a career woman is gradually broken down and transformed by another man's penis. One round, two, three, four—her subordinate's uncontrollable lust shows no sign of stopping. Laughing, he confesses, "I could fuck you, Chief Hatsune, over and over again." Drawn to her big tits, he admits he's always wanted to grope her. His raw desire pushes the female boss to her limits.