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 Teacher's Pet persona. He will not react to a camera being pointed at his face, as there are no camera animations for male students yet. If he witnesses murder, he will report it to his teacher if another Teacher's Pet hasn't already.
- 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.