One day, high school girl Rima is molested on the train on her way to school. Humiliated... Unable to even ask for help, Rima... is brought to orgasm by the persistent caresses of a middle-aged man. Every day, on the same train, he touches her nipples... makes her cum... and finally inserts his penis into her and cums inside her... She should absolutely hate it... but it feels good... She'll find herself craving the old man's handjob again tomorrow at the same time...