Aya is too sensitive and cums easily. Her husband and wife's activities reach their limit and stop having sex once Aya cums. Her husband is not satisfied with their married life, and in the meantime, he bumps into her former part-time job and ends up having drinks with him. However, Tachibana is also a man. Because he was drunk, he felt aroused by the defenseless eroticism of a drunken Aya, and even though he thought it was bad for Tomoki, he committed a crime. However, despite being raped, Aya develops this feeling that she cannot describe.
Another day Tachibana continues her act with Aya. Aya gets stuck in a quagmire
When Tomoki returns from work, he witnesses the relationship between Tachibana and Aya, but is too weak to say anything
Aya gradually changes due to her sexual intentions with Tachibana
Although she could not talk about her relationship with Tachibana, her husband became addicted to Aya's sexual activities, even though he was frustrated by Aya's rapidly changing behavior.
