There is a strange epidemic at the local hospital. For some reason, the nurses are feeling an uncontrollable urge to fuck. Patients, doctors, other nurses, it's all on the menu.
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.