One day, Ichika, a girl, suddenly grows a penis. It's so sensitive that she can't go to school unless she ejaculates every morning. But on the day she overslept and couldn't masturbate, she gets molested on the train... Even at a time like this, an old man plays with her rock-hard cock, making her ejaculate a lot on the train. Afterwards, she is taken to the bathroom and both her pussy and penis are violated. Furthermore, her junior at school, Asuka, finds out that she's a hermaphrodite and they have lesbian sex, even ejaculating female male cum... The girl is overcome by the pleasure of the penis that she can't resist!