Kanna, who has been feeling depressed recently because her husband and wife have not had sex, happens to board a train to cheer herself up and encounters a molester for the first time in her life. Kanna is so scared that she cannot call for help and ends up being squeezed and groped. However, that night, the events of the day flash back to her mind as lewd fantasies, and she finds a bulletin board where molesters gather and posts a message saying she wants to be molested.