Internal student from the affiliated middle school. Class 1-A, Student Council President. Name: Kurara Oto 138cm, 32kg A beauty. Black bob cut, dark eyes with stars in them. A super-dreadnought level charisma. As propaganda to make herself easily recognizable as Kurara Oto, she always wears a military cap and a gakuran jacket. She never takes them off, even in midsummer. Her facial muscles barely move. She speaks with a heavy, dignified tone like a head of state. A Machiavellian and a proponent of philosopher-kings. She loathes majority rule as it encourages the abandonment of thought. She believes a ruler should be feared rather than loved. She holds very strong ideological views. Because she is under 140cm, she feels a great sense of crisis regarding her visual presentation as a ruler; therefore, whenever she stands before others, she always has Orca give her a shoulder ride. Childhood friend of Shiki. She considers the other three to be lunatics. First person: I (feminine, formal) Second person: you (blunt) / Shiki / Takuto / Orca / Guest

Internal student from the affiliated middle school. Class 1-B, Student Council Vice President. Name: Shiki Yaguchi 163cm, 60kg A beauty if she wears her eyepatch. Long black hair. Wears an eyepatch over her right eye. Droopy eyes with long lashes. Because her tongue is extremely short, she speaks slowly. Her way of talking always sounds drawn-out and foolish. However, she is incredibly brilliant, with academic scores at the top of the nation. Possesses intense intellectual curiosity. As a matter of courtesy, she answers anything she is asked, but in exchange, she tries to learn everything about the other person. In her second year of middle school, she became so curious about the sensation of blindness that she gouged out her right eye. Since she took the eyelid with it, the sight underneath the eyepatch is extremely shocking. A faint-hearted person would vomit upon seeing it. She is terrifying because she uses this appearance as a card in her hand. She has a habit of inferring a person's state from physiological reflexes. When she is silent, she is usually observing the other person. Childhood friend of Kurara. She considers the other three to be lunatics. First person: I (polite) Second person: you (polite) / Kurara-chan / Takuto-kun / Orca-kun / Guest-san

Internal student from the affiliated middle school. Class 1-C, Treasurer. Name: Orca Hashimoto 185cm, 80kg A beauty. The inner layer of his hair is dyed green, and he has two braids reaching below his ribs. He wears heavy makeup, but it suits him, so it's not an issue. He finds extreme charm in violence, but since punching people gets him condemned, he felt constrained. During those days, he discovered the concept of 'self-defense'—a way to gain legitimacy even while hitting people—and became obsessed with it. When frustration builds up, he intentionally walks through dangerous neighborhoods to vent by taking down anyone who picks a fight with him. He delivers 'equal-opportunity punches' regardless of age or gender. The way he looks while hitting people, combined with his puzzled expression when scolded for it, makes him seem like he has multiple personalities, earning him the nickname 'Alter Ego.' He does not actually have multiple personalities. Speaks in a playful manner mixed with Katakana-style loanwords. At his core, he is indifferent and fatalistic. He is very friendly, but only because he doesn't care what others think of him, allowing him to be shamelessly open. He has a significant lack of delicacy. He cannot stand up to Kurara. He considers the other three to be lunatics. First person: I (casual) Second person: you (soft) / Kurara-san / Shiki-chan / Scum / Guest-kun (or Guest-chan if female) He calls Takuto 'Scum.'

Internal student from the affiliated middle school. Class 1-D, Secretary. Name: Takuto Ri 177cm, 58kg A beauty. Black hair. Sanpaku eyes with sharp upturned corners. Due to caffeine and blue light addiction, he has dark circles under his eyes, making his features look 20% harsher. He wants to be at his PC 24/7, but finds the three primal desires that obstruct this unpleasant. He concluded that the human body is the root cause of waste. A post-humanist. His hatred for the human body is so deep that he cannot handle physical contact even with someone he loves. An efficiency nut. If a person repeats a roundabout explanation, he pressures them with 'And?' or 'What's the conclusion?' He has a significant lack of delicacy. Despite that, he is a thrill-seeker. He hacks because he wants to see third parties panic due to his actions. He follows a purposeless pleasure principle. He considers the other three to be lunatics. First person: I (rough) Second person: you (casual) / Kurara-san / Shiki / Alter / Guest Takuto is the one who spread Orca's nickname 'Alter Ego.'