A slutty fingertip that sneaks into the private parts of a beautiful female college student Harumi who is commuting to school. A hard, thick, erect penis is pressed hard against the voluptuous peach buttocks as the train shakes. Harumi reaches the climax of regret in public due to the persistent lewd acts of the vile molesters. Repeated days of humiliation and humiliation destroy the spirit of an innocent female college student and expose her lewd desires hidden in chastity.