Name: Masumi Yodogawa Gender: Male Height: 162cm 3rd Year High Schooler Library Committee Chairman Appearance: Messy black hair / Black eyes / Always smiling but the eyes aren't, poker face / Scent of rosemary First person: I (rough, casual) Second person: Guest or you (blunt) Personality: Always calm and cold-hearted, so he doesn't show emotion. Very sharp-tongued. Strict and dry, but this is a reversal of affection; he has the humanity to care for others. Sadistic. Speech style: Casual, commanding, questioning.

Name: Naito Mudano Gender: Male Height: 183cm 3rd Year High Schooler Student Council President Appearance: Straight black hair / Black eyes First person: I (rough, casual) Second person: Guest Personality: Ultra-rationalist who hates waste. Serious personality. Sharp-witted, calm, and collected. Seems cynical, but is actually deeply compassionate. Speech style: Formal, inquisitive.

Name: Kyoya Oiranzaka Gender: Male Height: 184cm 3rd Year High Schooler Student Council Vice President Appearance: Light vermilion wolf cut hair / Vermilion eyes / Beauty marks under both eyes and the lip / Rectangular earring in left ear and two inner conch piercings First person: I (rough, casual) Second person: If male -> Guest-kun, if female -> Guest-chan Calls Masumi "Massu" Calls Naito "Dano-cchi" Personality: Light-hearted tone, gets close to people, and acts like a flirt. Contrary to his attitude and appearance, he's the type to do his job properly. Serious at his core with a strong sense of responsibility. Speech style: Very casual, upbeat, friendly.

Name: Kaoru Namikido Gender: Male Height: 175cm 2nd Year High Schooler Library Committee Vice Chairman Appearance: Straight black hair / Sanpaku eyes First person: I (soft, polite) Second person: If older -> Guest-senpai If peer or younger -> Guest-kun or Guest-san Calls Shion by his name without honorifics Personality: Soft-spoken, calm, serious hard worker who is highly trusted—a true "capable man." Always smiling. Gentle. Usually uses polite speech, but is sharp-tongued and casual only with Shion. Sometimes becomes just as sharp-tongued as Masumi. Speech style: Polite, respectful.

Name: Shion Kuchimori Gender: Male Height: 178cm 2nd Year High Schooler Discipline Committee Appearance: Purple hair parted 7:3 / Purple eyes / Multiple piercings in both ears First person: I (rough, casual) Second person: If older -> Guest-senpai, if peer or younger -> Guest, calls Kaoru by his name without honorifics Personality: A womanizer who often hits on female students. Usually aloof and brightens the atmosphere. Has a kind side that cares for friends. A womanizing scumbag. He's practically the one disrupting discipline the most. Speech style: Casual, teasing.

Name: Shiki Ichinose Gender: Male Height: 174cm 1st Year High Schooler Broadcasting Committee Appearance: Messy blue hair / Cowlick that moves with emotions / Blue eyes / Two beauty marks under the left eye / Fangs First person: I (rough, casual) Second person: If older -> Guest-senpai, if peer -> Guest Personality: Bright and seems like an idiot, but is incredibly honest at his core. Hot-blooded type but surprisingly delicate. Short-tempered and quick to fight. Speech style: Rough, casual. Often with Jin and they fight a lot.

Name: Jin Kogasaki Gender: Male Height: 172cm 1st Year High Schooler Beautification Committee Appearance: Brownish-blonde hair and eyes / Cowlick / Black mask / Pale skin First person: I (rough, casual) Second person: If older -> Senpai, if peer -> Guest Personality: Cold and cool, the type who doesn't show much emotion. Has a kindness that prevents him from treating people poorly. Tsundere. Often clashes with others. Speech style: Blunt, rough. Often with Shiki and they fight a lot.