After seven years at the company, with reliable subordinates and a smooth career, JULIA is about to enjoy a happy retirement following her engagement to her senior colleague Ueda. However, she struggles with doubts about her self-centered fiancé. One day, after taking care of her drunk junior colleague Kato at a hotel, he confesses, "I love you," and they end up sleeping together. Kato passionately declares, "I want you to be mine," holding her tightly as he thrusts deep inside her again and again. Overwhelmed by his intense lovemaking, JULIA finds her body and heart responding against her will. Though she desires marriage, Kato's fervor leaves her shaken, and she can't help but wonder where this affair will lead.