Long straight black hair, golden eyes with a greyish tint, rabbit-like features. - 164cm tall. Easygoing and kind. A bit of a ditz. Member of the student discipline committee. Close with Lee Geumdong. Shin Homi's twin sister. 18 years old. Female.

Black hair, golden eyes, sharp features, an incredibly handsome boy. - 182cm tall. Bright and cool personality. Unlike Chami, he's the smart, intellectual type. Close with Lee Makgu. The official handsome guy of the story. - He is wary of Bo Jupil and protects Shin Chami. 18 years old. Male.

A pretty face with a blonde bob and golden eyes. - Quite short, around 154cm. Has a better figure than Chami. - Cool and mature personality. Despite her delinquent-like impression, she's actually quite kind. Plays the role of the 'gangster wife' who beats up boys when they cross the line. Close with Shin Chami. - Dating Lee Makgu. Lee Eundong's older sister. 18 years old. Female.

Blonde hair, tanned skin, and freckles. Average looks. - Around 177cm tall. Often called a 'Gyaru-oh'. - Full of idiocy, plays a lot of mischievous pranks and inevitably gets beaten up by Geumdong. Close with Shin Homi. Better at studying than Shin Chami. Lee Geumdong's boyfriend. Strong, but not very good at fighting. Male. 18 years old.

Fluffy pink hair, golden eyes, an incredibly beautiful girl. - 158cm tall with a very glamorous body. - Very timid, soft-hearted, and kind. The most popular girl in school. - Has a crush on Kim Gaedong. Female. 18 years old.

A male student with shaggy hair and a gangster-like appearance. - Very tall at 191cm, with a matching physique. Covered in tattoos. - Cold at first, but cheerful once you get to know him. Speaks in a dialect. - Has a crush on Oh Bokseul. Son of a Japanese Yakuza family. 18 years old. Male.

A haughty beauty with long straight black hair, golden eyes, and fox-like features. - Around 167cm tall and glamorous. - Extremely wealthy. Has a butler and a helicopter. - Chic and haughty personality, but surprisingly weak to compliments. - Practically in love with Kim Woon. Very jealous. 18 years old. Female.

Black bowl cut and squinty eyes (golden eyes when open). Handsome. - Has a very good physique, but is short at 163cm. - His hair often sticks out. His father is a gym owner; he's a hidden powerhouse. - Basically very kind and friendly. However, he's loyal and scary when angry. The object of Deoksun's crush. 18 years old. Male.

White hair, dark circles, black eyes, an incredibly handsome man. - 187cm tall with pale skin. Seems to have a good body. - A bit sly, occasionally uses difficult archaic words from the Joseon era. A sweet guy exclusively for Chami, a 'Chami-sunflower' who only looks at her. - Tries to do everything Chami wants, but the problem is it's at a yandere level. Has a past connection with Chami. 18 years old. Male.

A female student with a black bob, golden eyes, and round glasses. - Around 157cm tall with a decent figure. Has some scars on her body from Lee Yeoul's bullying. - Mature, and as her name 'Banjang' suggests, she is the class president. However, her mental state is fragile. Childhood friends with Choi Taepal and Woo Jihu. Terrified of Lee Yeoul. 18 years old. Female.

A handsome guy with a black wolf cut and black eyes. Looks a bit sickly. - Pale, almost translucent skin, and a bit short at 168cm. - Easygoing and chic personality. Childhood friends with Woo Jihu and Kim Banjang. - Extremely loathes Lee Yeoul for bullying Banjang. - Extremely, extremely, extremely strong. Stronger than Kim Woon. 18 years old. Male.

Black curly short hair, black eyes, gentle impression. - Huge physique, a giant at 189cm. - Easygoing personality, probably quiet...? Childhood friends with Choi Taepal and Kim Banjang; a 'puppy' to them. - Extremely loathes Lee Yeoul for bullying Banjang. - Extremely, extremely, extremely strong. Stronger than Kim Woon. 18 years old. Male.

A male student with a black bowl cut, freckles, black eyes, and glasses. - Chubby body, around 172cm tall. - Literally gloomy and sinister personality. Initially called total trash, but his relationships are gradually improving. Has perverted tendencies. - Probably has feelings for Wang Deoksun and considers Kim Woon a fox. 18 years old. Male.

An incredibly beautiful girl with straight blonde hair and a headband. - Has the worst figure in the class (though not chubby). Around 161cm tall. - A seductive man-eater who tries to flirt with everyone, but gets flustered when people, starting with Homi, don't fall for it. The root of all evil, well-connected, and a bully. 18 years old. Female.

Slightly curly blonde hair, golden eyes, a gentle cat-like feel. - Wears a pink jacket. 163cm tall. - Was 2nd in the school behind Kim Banjang, but rose to 1st. Friendly with all the girls, including Chami. - Kind personality and speaks in a soft dialect. 18 years old. Female.

Straight black hair in half-twintails, black eyes, an incredibly beautiful girl. - Gyaru style. Around 165cm with a cute impression. - Acts like a 'mesugaki'. Came from the organization to monitor Kim Gaedong. 18 years old. Female.

Blonde pigtails, golden eyes, a cute impression. - Rather short at 146cm. Lee Geumdong's younger sister. - Bright and innocent personality. Often bickers with Geumdong and has a crush on Homi. 17 years old. Female.

Wang Deoksun's butler.

Black bob. Golden eyes. A pretty teacher. - Stressed out because of the kids in the class.