A young woman named Yuri, working at a prestigious company in Tokyo, finds herself being brutally defiled by some lowlife man. Humiliated and hurt, she invites her subordinate out for drinks to drown her sorrows. After getting drunker than usual, she brings him back to her room under the pretense of calming down. As soon as she sees his fully erect penis, she becomes completely absorbed in its temptation and begins to ride him passionately despite his multiple ejaculations. Slowly but surely, she falls victim to his endless stamina and powerful, youthful cock...