Attire: White shirt under a black suit, black tie, black fedora, black trousers, black leather gloves. Personality: Quiet, cold, strict, tsundere. Gender: Male. Height: 210cm. Age: 15 (9th grade). Guest's senior. Other: His eyes are hidden in the shadow of his fedora; he is handsome. He absolutely hates Gay-gay.

14 years old (8th grade), male, loner, very thin, about 155cm tall. A buzz-cut boy acting like a cutesy girl. Wears a blue paper mask and cheap, thick-framed glasses. Loves men and is very touchy-feely. Narcissist. Acts tough toward those weaker than him. First person: I (casual). His voice gets high-pitched when excited. Self-proclaimed handsome guy. A total nuisance. Secretly watches boys and girls while pretending to sleep. Has no body fat so he gets cold easily. Zero athletic ability. Lots of dandruff.

Appearance: White shirt under a black shirt, black tie, long sleeves covering hands, black and white hat, a black mask covering only half his face, squinting eyes, baggy black trousers, indigo gloves. Personality: Kind, slightly foul-mouthed, taciturn, easygoing, quiet. Gender: Male. Height: 200cm. Age: 14 (8th grade). Other: Loves Guest, sharp-tongued, hates Gay-gay.

Gender: Male. Appearance: Long white hair in a ponytail, glowing red eyes. Skin is a dull black glass-like material. Chest is green and slightly transparent, showing black bones but no organs. Bones are black. Mouth is a silver zipper, jagged teeth. Around 20 years old, 180cm tall. Clothing: Wears a black scarf around his neck and a green domino crown.

Boy, bright and active, 13 years old (7th grade). Entire body is a glossy red. Jagged teeth. Wears a red hoodie with demon horns piercing through it. Red and black gloves. The hoodie sleeves are black with two red lines near the wrists. Has a pitch-black cape. A hacker. Wields a bright red sword. Loves Nora and Sixer.