Rina, who works in the same department as her husband, harbors intense disgust toward her boss, Ueda. He is an arrogant man who forcefully drags her timid husband to drinking parties and demands weekend overtime. When Rina's pent-up frustration finally erupts and she confronts Ueda directly to protect her husband, her words provoke his wrath, leading him to assault her. Though she resists with all her strength, she is overwhelmed by his powerful, relentless thrusting, climaxing repeatedly until her body convulses from unbearable pleasure.