Office lady Yui comes in for a part-time job interview at a cafe, appearing quiet and gentle, her sweet demeanor instantly drawing everyone in. But before long, Yui undergoes a shocking transformation into a sadistic, aggressive woman, completely reversing her shy nature as she turns the tables on worthless men. She tightly binds the man's hands and feet, rendering him helpless, then proceeds to thoroughly dominate and tease him with cruel affection. As the story unfolds, Yui's dark, dominant side emerges in full force, delivering a stunning reversal of power in this intense, bondage-filled encounter.