Hayato Haruki is a canon student who attends Akademi High School.
Hayato has green hair that is partially held back by a clip. Four strands of hair hang over his forehead. His eyes are green as well. His uniform is dependent on the player's choice. He used to wear a headband while he was a part of the Martial Arts Club.
Hayato has the Social Butterfly persona. If Ayano tries to take a picture of him without being in the Photography Club, he will do a cute pose for the camera. If he witnesses murder, he will run to a secluded area and phone the police.
- His current name is a reference to the most popular male Japanese names in 2012, the fifth being Hayato and the sixth being Haruki.
- His female counterpart is Koharu Hinata.
- He was originally in the Photography Club. After that, he was in the Martial Arts Club, then the Light Music Club. He is currently not in any club.
- He used to arrive tenth to school, fifth in line on the right side at 7:05 AM.