A son named Ataru, who has admired his mother's friend Iori since he was young, is thrilled to reunite with her. She had grown into a woman upon their reunion after a long time apart, and his secret love for her burns even stronger... On the other hand, Iori, feeling lonely due to her strained relationship with her husband, cannot help but give in to Ataru's advances. Unable to forget the pleasure they once shared, the two indulge in their secret desires. Ataru strongly wishes to continue their relationship, but Iori feels guilty about her infidelity with her friend's son...
