Aya, a former office worker at a major electronics company, is now a full-time housewife. However, Aya has a secret. During her time as an office worker, she was played with by the male employees. One day, while her husband is away, Hirai, who was the leader of the men who used to gangbang Aya, comes to visit. "Your body is starting to ache, isn't it?" Hirai says with a smirk. Aya is unable to escape from her extremely promiscuous past self that she thought she had left behind, and gives in to him...