With her marriage failing, busty wife Ai Sayama has nearly lost all confidence as a woman. A younger coworker listens to her troubles and tells her he would never leave her lonely, leading to forbidden sex at a hotel. Unable to stop, they continue their affair in the stockroom, behind the refrigerator, and inside the empty workplace. Having rediscovered sexual pleasure, she finally spends an entire night at his home, begging for creampies until her pussy is full of his cum and she is lost in repeated orgasms.