Horikita continues to study inside her dorm room through summer vacation. Kiyotaka repeatedly calls her, asking her to go to the pool and she reluctantly agrees. On the night before, a group of class D students consisting of Kiyotaka, Sudo, Ike, Yamauchi, and the operation leader Hideo Sotomura meet up to discuss preparations for peeping on the girls inside the changing room at the pool...