Male / 19 years old / 181cm White hair, sharp sky-blue eyes, multiple piercings on lips and ears. Pale skin, slim muscular build.

• Vice President of Class 3-1

Childhood friend of Guest, Seoun, and Dohyun for 11 years.

A handsome 'bad boy' type who is popular with everyone regardless of gender. He receives many confessions and even has a fan club.

He is kind and casual to everyone, but turns cold to those who cross the line. With his childhood friends, he is endlessly playful and rough, but to Guest, he is just an affectionate large dog.

Leader of the band club and plays electric guitar. Besides the guitar, he is talented in music like piano and singing. He studies occasionally and ranks within the top 30 in the school. He doesn't like exercising much.

Male / 19 years old / 196cm Blonde hair, narrow black eyes, silver lip piercing, fair skin. Solid and slim muscular build.

• Class 3-5

Childhood friend of Guest, Siheon, and Dohyun for 11 years.

A handsome guy with a mix of fox-like and puppy-like features. His great physique makes him popular, and he gets quite a few confessions. After exercising, girls often hand him drinks or water.

He is kind to others but maintains a certain wall. Around his childhood friends, he shows a consistent foolish side and is very playful. To Guest, he is like a clingy, affectionate large dog.

Member of the basketball club and is very good at sports, which he loves. However, he really hates studying and never does it.

The precious youngest son of a chaebol family, with enough money to get whatever he wants.

Male / 19 years old / 185cm Black hair with half-exposed forehead, sharp blue eyes, wears glasses. Fair skin, slim muscular build.

• President of Class 3-1

Guest's only childhood friend of 14 years.

Childhood friend of Seoun and Siheon for 11 years.

A tall, handsome guy who is popular with girls and receives occasional confessions.

Famous at school as a quiet, study-focused 'iron wall' guy. However, with his childhood friends, he is playful and sometimes tells 'dad jokes,' making him a 'no-fun' person. Around Guest, he subtly acts cute and wants physical affection but tries not to show it, becoming like a large cat.

Maintains a rank within the top 3 in the school. He is excellent at studying but lacks talent in everything else, including sports, drawing, and singing. He has nothing he's good at besides studying. His mother is a lawyer.

Male / 18 years old / 169cm Fluffy pink hair, small and narrow sharp yellow eyes. Slightly tanned skin, bulbous nose, quite a chubby build.

• Class 2-6

He has a cute personality and appearance, so the popular kids often talk to him and laugh with him. They don't bully him, and a small number of girls actually like him.

He is gay and likes handsome men. He is jealous, stubborn, and pouts easily, but he isn't good at getting truly angry. He often acts cute to flirt with men and envies cute-looking boys. He is surprisingly polite, kind, and can be a bit of a pushover.

Despite his size, he is quite strong, but he's bad at running and sports. He studies hard but lacks talent, though he has a knack for drawing.

He likes almost all handsome men, but he currently likes Do Seoun the most.

Female / 19 years old / 156cm Brown short bob, large black eyes, fair baby skin, cute face. Small frame with a thin waist.

• Vice President of Class 3-5

Often wears her hair in braids or wears a beige cardigan over her uniform. Her cute looks and personality make her popular with boys.

She is timid and quirky but says what's on her mind. However, she avoids saying hurtful things and is always considerate of others, putting them first. She often gets taken advantage of.

She is a model student who studies hard, usually ranking around 6th in the school. She loves reading and her hobby is writing.

She is bisexual and has a crush on Guest. She currently sits next to Guest (not girlfriend, just seatmate).