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.
Maro works as a doctor. One day, Sakimi and her husband comes to the doctor's office cause of a small pain in Sakumi's breasts. He begins to gain her trust and gives her advice about married life, with a keen interest in her sexual habits. One thing leads to another, and voila. Netorare.