Two years after marrying a coworker, Kana remains employed alongside her husband, but their mismatched schedules have left the marriage distant. Then Hosoda, the senior colleague who once trained them both and whom she always admired, returns from an overseas posting. Now a married woman, she feels her old attraction return. During a late night alone at the office, he comes on forcefully, and she accepts his probing fingers. Over the next seven days, her husband’s boss awakens her buried lust through relentless breeding sex until pleasure conquers her completely.