When nude pictures of girls turn up on the school's noticeboard, everyone suspects the class outcast, Kenji. Only one girl, Atsuko, defends Kenji. He tells her if she REALLY wants to support him, she'll let him fuck her. And that shit actually works.
On spring break, Daisuke heads to a tropical island. Turns out, his female cousin and a couple of his girl friends are also there. What do you get when you put them all together with a bunch of teenage hormones? A harem. It's always a harem.