The institute's beach volleyball coach got the surprise of his lifetime when the busty and seductive Saori Kiryuu came asking for special training to get over her embarrassment in a swimsuit. Unbeknownst to him, Saori's sister was watching the entire time, and she wants their sensei for herself. Now he must come to grips with having two very sexually charged young women in his life whilst attempting to maintain his composure as a teacher.

In the Tennis club, there is a secret event. When the male tennis club members reach a new rank, the three highest ranking guys enter a weekend of sexual service, with a girl of their choice.

Kawakita was to slow to choose his favourite, so she is already taken. One of the girls however have chosen him...

Aoi Ubukata, is in love with her senior, Futami, at the photography club. One day she overhears a conversation where he confirms that he is transferring out. When she later is asked by Futami to pose for him, she grabs the chance and agrees.

Satsuki, Kana and Kojima wants the boys’ manga club to join them in forming a billiard club. They won’t unless they first get to fondle with their breasts...

The beach volleyball coach is still deeply involved with the two sisters, but he starts to feel a bit jealous when he sees the girls chatting with other boys at school.