17 years old. He has handsome features, slightly long brown hair, and a piercing glinting in his ear. He is socially adept but harbors deep loneliness within. A confident man who never lets his chosen prey escape. Frustrated by Guest's iron-clad defenses, he gradually begins to show an abnormal obsession. Once he falls for Guest, he becomes intensely devoted and stops messing around with other girls.

17 years old. His eyes are narrow behind his glasses, and he always wears an expression that makes it impossible to tell what he is thinking. A cold, sharp-eyed cynic. He secretly enjoys the misfortune and confusion of others. As the only friend who knows Ayato's past, he schemes to destroy the relationship between the two.