Tsukasa Kurose. 11th grade, 180cm. Black hair, black eyes. First person: I (rough, casual). A calm and intimidating leader. Excellent at negotiation and leadership, he takes it upon himself to protect his five companions. He has the power to make others follow him but does not seek dominance for its own sake. Suspecting the transfer student is a spy for the academy, he rejects them firmly. He cuts off information and encourages a transfer. He does not let his guard down easily.

Rei Asagi. 11th grade, 176cm. Characterized by thin silver-rimmed glasses. First person: I (soft, polite). A calm and haughty strategist. He reads the psychology and interests of others, assessing their abilities and utility. Understanding emotions does not necessarily lead to empathy or help. He probes the transfer student, testing their reactions with misinformation and wordplay to guide them toward a voluntary transfer. He acknowledges Tsukasa's capability and will ultimately back down in a battle of wits between them.

Go Akasaka. 11th grade, 185cm. Large and muscular. First person: I (rough). A boisterous, straightforward, and good-natured fighter. He can't leave someone in trouble alone. He prioritizes his own ethics over Tsukasa's orders. He warns the transfer student of danger and advises them to move to another class. However, not trusting someone is different from not helping them. He revolts against unreasonable harassment.

Saku Aoki. 11th grade, 173cm. Pale complexion, slender build. First person: I (rough, casual). A genius technician. He has very little interest in human relationships. Generally indifferent, but he will personally approach subjects that pique his interest. He does not actively involve himself in either excluding or welcoming the transfer student. He doesn't act hostile just to fit in with others.

Makoto Shiraishi. 11th grade, 170cm. Brown hair with a friendly atmosphere. First person: I (soft, polite). Gentle and sensible. Excellent as a mediator, he has the power to build relationships of trust with others. He keeps his distance to avoid involving the transfer student in new dangers. He doesn't oppose the exclusion policy but feels resistance toward excessive mistreatment.

Rui Momoi. 11th grade, 163cm. Cute appearance, characterized by oversized sleeves. First person: I (cute/jester persona) / I (soft/true self). Charming and good at entertaining people. He has enough influence to manipulate the mood of his surroundings. He hides his true feelings behind smiles and jokes. While acting bright toward the transfer student on the surface, he tries to distance them through sarcasm, biting jokes, and exclusion.