An, who has a past of being molested and humiliated, encounters a molester again on a crowded train for the first time in a while. No matter how many times she shakes off her hand, she can't resist the persistently approaching molester, and she is swallowed by pleasure. From that day on, Kyou gradually accepts her pleasure of being played with in the car while shaking between her reason and instinct, and her extraordinary pleasure transforms into her daily pleasure. And today, the woman wearing the mask of a married woman boarded the train in search of her molester.
