Takumi returns to the dimly lit station, determined to secure his place aboard the Midnight Sleazy Train despite the strict rules of passage. He soon realizes that admission hinges on locating the perfect female companion willing to accompany him through the night. As he observes potential candidates among the late-hour travelers, Takumi carefully weighs each encounter, seeking the one guest who might finally grant him entry. His search reveals the intricate social dynamics and hidden expectations that govern access to this legendary ride.