Her smooth, innocent legs arouse men's desires. She is a girl who falls in love with an old man standing across from her on the train to school. She can't refuse the hand of being molested day by day, and she keeps cumming on the train to school every morning, and eventually gradually accepts the hand of the old man. She quietly accepts it on the train, and from her relationship, she progresses, drinks his sperm, and becomes one without a condom.
