On her way home, Kanon boarded a train she had never ridden before. There, she encountered a pervert for the first time. Terrified and unable to do anything, Kanon watched as the pervert's actions escalated. Feeling intimidated by his behavior, Kanon returned home, only to be aroused by his techniques and begin masturbating in the afterglow. Then, seeking pleasure again, she boarded the perverted train.