Groper Train: The First Wetness Feels Like a Dream (2006)

Sinopsis

Office lady Asuko is at rock bottom after breaking up with her lover. On her morning commute to work, a man from Akiba gropes her. Last time, she let him touch her out of sympathy, but this time he was aggressive and unforgiving, and he thrust his fingers deep inside her... The moment he grabbed her hand and cried out, Asuko was transported to a world of illusion. The gropers attacked her one after another on the train. The last stop on the train she couldn't get off at was...