Akihito Hayasaka

A transferred student to a previous all-girls school, which is now a Co-ed.
He had forgotten a painful memory of his blood related sister's death due to a traffic accident. His parents adopted another girl as a 'replacement' for him soon quite after her death.

Elder half-brother of Umi Hayasaka

Seiyuu:
Uta Kijima (木島 宇太)