Aya is so sensitive that she climaxes too quickly. Even during intimate moments with her husband, she reaches her limit and stops sex as soon as she comes. Her husband wasn't satisfied with this kind of married life. One day, he runs into a former coworker and they decide to have a drink. However, the coworker, Takanashi, is also a man. Due to the alcohol, he gets aroused by Aya's unguarded sensuality, even though he knows it's wrong, he ends up taking advantage of her. Despite being violated, Aya starts to feel a strange mix of emotions.