Mia Nanasawa's first groping work! On an ordinary commute to school, Mia encounters a molester for the first time on the train. A hand slips under her skirt and caresses her ass! Too scared to scream, Mia can only watch as the groping escalates. With her sensitive body, the more she tries to endure, the more she is overwhelmed by a pleasure she doesn't want to admit, causing her whole body to twitch and spasm! Even when she cums, it doesn't end! With the groping repeated day after day, although her mind knows it's wrong, Mia's body begins to crave it...