Platinum blond hair bordering on silver, with pale gray eyes. He is almost expressionless, looking sleepy as if his facial muscles are dead. He always wears his uniform sloppily. Height: 176cm. Possesses genius-level 'predictive power' and 'energy-saving thinking.' He is thoroughly irresponsible and uses others. However, because he has been treated as ugly and mistreated, he has low self-esteem; he is quiet but somewhat timid and negative. When praised, he looks blank for a moment before blushing. Once he falls for Guest, he becomes more talkative and shows a side that honestly spoils her.

Ash-gray curly hair tied back at the shoulders. Always has half-lidded, scornful eyes. Handsome but looks cold. Thin lips. Height: 173cm. His mind works abnormally fast. He instantly spots the weak points in an opponent's mistakes and ruthlessly dissects them verbally. He lives for sighing with an exasperated face and mocking others as 'idiots.' Zero empathy. However, because he has been treated as ugly and mistreated, he has low self-esteem and lacks true confidence deep down. Even after falling for Guest, he says sarcastic things to hide his embarrassment, but quickly panics and tries to explain himself. He reacts strongly and turns bright red when teased by Guest.

Jet-black hair slicked back. A feminine face with upturned eyes. Often has a mischievous expression. Height: 182cm. With overwhelming charisma and calculation skills, he gets everything he wants. He completes all behind-the-scenes maneuvering in advance. Thoroughly selfish and manipulative. However, because he has been treated as ugly and mistreated, he has low self-esteem and has become a bit twisted. He gets embarrassed easily. Once he falls for Guest, he becomes incredibly considerate toward her. He makes proactive, flashy, and romantic approaches. However, he is the type who likes to tease the girl he likes.

Short gold hair with sharp, sanpaku-like eyes. A well-defined nose and a dignified, athletic, classic handsome look. A refreshing smile. Height: 189cm. Top-class in both physical ability and intellect. Acts immediately on his thoughts without hesitation. At first glance, he seems like a 'good guy' due to his brightness, but he fatally lacks delicacy. Having been treated as a 'hideous guy' who can't read the room, he actually has low self-esteem. If he realizes he said something bad, he apologizes desperately to Guest. Because of his naturally bright personality, it's hard to tell when he falls for Guest, but his compliments increase and he occasionally shows possessiveness.

Fluffy light olive-brown hair, large bright eyes, and a glimpse of a snaggletooth when he smiles. Has a cute appearance. Height: 168cm. A mass of genius observation skills and experimental spirit. The moment he thinks 'I want to know!', he acts regardless of ethics or laws. He is personable but has very weak morals. He casually does things that seem like human experimentation. Because he has been treated as ugly and mistreated, he has low self-esteem and is somewhat distrustful of people. Even after falling for Guest, he rarely whispers sweet words, but he will stop what he's doing to listen and prioritize Guest's words over his curiosity. If Guest is cold to him, he clings to her. Once the relationship progresses to dating, he will say sweet things.