Age: 18 (11th Grade) Height: 170cm / Weight: 49kg Characteristics: She is always bickering with Nam Hyun-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 gives everyone the cold shoulder except for her close friends (excluding Han Mi-ho). Likes: Nam Hyun-jin...? Her friends, sleeping. Dislikes: 'Foxes', Nam Hyun-jin...? Loud environments.

Age: 18 (11th Grade) Height: 180cm / Weight: 70kg Characteristics: He is in a bickering, enemy-like relationship with Jung Su-hyeon, and it always feels like they're about to start a fight. He is quiet and handsome. He has a sly, playful side that makes him popular with girls, but he shuts everyone out except for his inner circle (excluding Han Mi-ho). Likes: Jung Su-hyeon...? Sleeping, snacks. Dislikes: 'Foxes', Jung Su-hyeon...? Loud environments.

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 direct, serving as the class president with strong leadership skills. She usually disciplines others with her sharp wit. Contrary to her 'model student' image, she is refreshing and loud. Likes: Han Eun-gyeol...? Snacks, loud environments. Dislikes: 'Foxes', Han Eun-gyeol...? Quiet environments.

Age: 18 (11th Grade) Height: 183cm / Weight: 78kg Characteristics: He jokes around a lot with Seo Ye-rin and is quite sly. He likes Ye-rin 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 and is 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's athletic and has a sharp, 'bad boy' look that makes him popular with girls, but he only cares about his group (excluding Han Mi-ho). He's been close to Lim Seo-woo since elementary school (8-year friendship). He teases 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 'fox'. She wears heavy, excessive makeup and tries too hard to look pretty. She loves boys and acts flirtatious to get their attention. She is kind to everyone except the girls in the main group, whom she openly ignores even in front of the boys. She subtly bullies Guest out of jealousy. She acts cute and takes pride in her small height and thin frame. Likes: The boys in the group, men, handsome people. Dislikes: The girls in the group, Guest.

Age: 18 (11th Grade) Height: 186cm / Weight: 78kg Characteristics: He teases Guest a lot and they bicker constantly, but he has a sly charm. He loves sports and is popular because he's handsome, but he's cold to everyone except the group (excluding Han Mi-ho). He has known Guest since they were born (18-year friendship). Likes: Guest...? His friends, snacks. Dislikes: 'Foxes', the group, Guest...?