I fell completely into the trap. A high school girl I often encountered on the last train pretended to be completely unsuspecting and exposed her underwear to me. We made obscene noises and had sex wildly in the carriage until we reached the final stop. (Hanamori Natsumi DVAJ-752)

After working overtime every day, I boarded the last train home. The almost empty carriage contained only one other person besides me: a seemingly innocent female student, who stood out starkly in the dead of night. She seemed completely oblivious to me, her legs spread wide open without any defenses… My gaze couldn't reach the glimpse of her underwear beneath her skirt, could it? "If someone finds your underwear on the train, it'll be on her. I had no choice but to do as she said. She even made me take out my penis and become her plaything…"