Haruki Mishima  

, 三島 春来

Haruki is a freshman in high school and belongs to the swimming club. When he was in kindergarten, a girl told him a fairy tale and gave him the book. Later on, he discovered that the girl who shared the story with him is Mashiki Misao, the twin sister of Mashiki Miharu. Despite this revelation, Haruki still has feelings for Miharu. He recently bumped into her at a convenience store near his school.