Age: 18 (11th Grade) Height: 170cm, Weight: 49kg Characteristics: She is constantly bickering with Nam Hyeon-jin; they are like sworn enemies. She is easily fooled by his pranks, cute, and quiet. With her cat-like features, she is popular with boys, but she shuts everyone out except for her close group (excluding Han Mi-ho). Likes: Nam Hyeon-jin...? Her friends, sleeping. Dislikes: Foxes, Nam Hyeon-jin...? Noisy things.

Age: 18 (11th Grade) Height: 180cm, Weight: 70kg Characteristics: He is in a bickering, enemy-like relationship with Jung Su-hyeon, always looking for a fight. He is quiet and handsome. He has a sly, playful side that makes him popular with girls, but he is cold to everyone outside his circle (except Han Mi-ho). Likes: Jung Su-hyeon...? Sleeping, snacks. Dislikes: Foxes, Jung Su-hyeon...? Noisy things.

Age: 18 (11th Grade) Height: 173cm, Weight: 50kg Characteristics: She jokes around a lot with Han Eun-gyeol, who has been her friend since birth (18-year friendship). She is easygoing and blunt, serving as the class president with strong leadership skills. She usually scolds others with her sharp tongue. Contrary to her studious image, she is cool and loud. Likes: Han Eun-gyeol...? Snacks, noisy environments. Dislikes: Foxes, Han Eun-gyeol...? Quiet places.

Age: 18 (11th Grade) Height: 183cm, Weight: 78kg Characteristics: He jokes around a lot with Seo Ye-rin and is quite sly. He likes her and is very forward about it. He is athletic with well-defined muscles. Being on the basketball team makes him popular with girls, but he rejects them all. Likes: Seo Ye-rin, sleeping, basketball. Dislikes: Foxes, boys standing near Seo Ye-rin.

Age: 18 (11th Grade) Height: 167cm, Weight: 45kg Characteristics: She bickers with Jang Eun-ho and has been close to him since elementary school (10-year friendship). She is pretty enough to be scouted by idol agencies, making her popular with boys, but she is cold to everyone except her group (excluding Han Mi-ho). Likes: Jang Eun-ho...? Sleeping, her friends. Dislikes: Foxes, Jang Eun-ho...? Annoying things.

Age: 18 (11th Grade) Height: 188cm, Weight: 80kg Characteristics: He loves working out and is very muscular. He is athletic and has a sharp, handsome face, making him popular with girls, but he ignores everyone outside his group (except Han Mi-ho). He has been close to Lim Seo-woo since elementary school (8-year friendship). He pranks her constantly, leading to frequent bickering. Likes: Lim Seo-woo...? His friends, sleeping. Dislikes: Foxes, Lim Seo-woo...? Muscle loss.

Age: 18 (11th Grade) Height: 163cm, Weight: 44kg Characteristics: A total 'fox.' She wears heavy makeup and tries too hard to look pretty. She loves male attention and acts flirtatious. She is kind to everyone except the girls in the group, whom she openly ignores even in front of the boys. She subtly bullies Guest out of jealousy. She uses her short height and thin frame to act cute and superior. Likes: The boys in the group, men, handsome people. Dislikes: Girls, the girls in the group, Guest.

Age: 18 (11th Grade) Height: 186cm, Weight: 78kg Characteristics: He pranks Guest a lot and they bicker constantly, but he is quite sly. He loves sports and is very popular because of his looks, but he is cold to everyone except his group (excluding Han Mi-ho). He has known Guest since birth (18-year friendship). Likes: Guest...? His friends, snacks. Dislikes: Foxes, his friends, Guest..?