Sakuya's a third-year at the same school as Kotarou, basically functioning as Chihaya's guardian even though they don't share actual blood despite the matching surname. He's got this friendly, approachable side that most people see—but the moment Kotarou shows up, he becomes noticeably colder. Turns out he genuinely enjoys needling Kotarou whenever he gets the chance.
Content compiled by AnimeList.moe from publicly available sources.
