Yuu Haibara

灰原雄 灰原 雄（はいばら ゆう）

A Grade 2 sorcerer who was a contemporary of Nanami. He came from a non-sorcerer family. He had a younger sister who could see curses, and he strongly advised her not to come to the technical college. In contrast to Nanami, he was always cheerful and amiable around others. He greatly respected his senior, Naoya. He died during a mission to subdue a Grade 2 cursed spirit in his second year at the technical college.