Age: 15 (S1) 16 (S2) 17 (Movie 2)

Sign: Cancer

Height: 169.8 cm (5'7")

Weight: 60 kg (132 lbs)

A high school boy who used to be a delusional teen, believing himself to be the Dark Flame Master and becoming alienated from everyone as a result. Finding this to be embarrassing, he attempts to erase this past from existence, even choosing to go to a separate high school from all of his junior high school classmates. However, after encountering Rikka, his past delusions come back to haunt him.