Takatori Jin, a legendary molester known for his "hands of the devil," targets women on trains to awaken their hidden, animalistic desires. When Kurotaki Rin, the determined Captain of the Train Security Police, attempts to hunt him down, Jin challenges her to a provocative duel of endurance. Despite her professional resolve, Rin is overwhelmed by an unexpected arousal and loses the contest, marking her as the ultimate future guest for Jin's "Last Molester Train."