Haruki Mishima

Haruki Mishima (三島 春来 Mishima Haruki) is a high school freshman and a member of the swimming club.

April
The show starts out with Haruki running around and eventually ending up at a convenience store. He stops and says "This is where... Our story begins." as she offers him the drink. Then they started dating.

Etymology

 * The name Haruki means "spring" (春) (haru) and "coming/come, next, due, cause, become" (来) (ki).
 * Haruki's surname Mishima means "three" (三) (mi) and "island" (島) (shima).

Trivia

 * In kindergarten, a girl read Haruki a fairy tale and gave him the book.
 * He later found out that the girl is Misora Mashiki, the twin sister of Miharu Mashiki. But, he still falls in love with Miharu and he reunited with her at the convenience store near the high school.