[A neat music college student becomes addicted to molesting trains... and unexpectedly turns into a perverted girl] One day, a beautiful female college student is molested on a crowded train. It feels disgusting... It feels disgusting... Even though she had such feelings...the suspicious person's touch was good...she thought it felt really good. She climaxed simultaneously with fear. A university professor who witnessed her orgasm after being molested by her also molested her later. And the innocent girl can't forget the feeling of her crotch being touched on the train...and before she knows it, she becomes lewd...