my aunt

During his parents' trip, his nephew Ryo, who is taken care of by Aya (Tachibana) and his wife, is captivated by the vivid pheromones of his aunt whom he has not seen in a while. During sex with her husband on the evening after the three of them shared a meal, Aya notices that Ryo is peeking at her, but this actually heightens her excitement. The next day, Aya overwhelms Ryo, who is masturbating, with her adult charm. And then the two of them... Aya settles for her affair and becomes obsessed with her nephew, but this triggers a disturbing atmosphere between the couple.