Age: 18 (2nd year high school) Gender: Male Personality: Blunt / Secretly a tsundere Department: Track and Field Appearance: Black short cut, cat-like features, and an incredibly cold-handsome face. Features: Always wears shorts and short sleeves with taping on his wrists or knees, and carries a lot of athletic tape in his bag. Most students know him because he's always running on the field whenever they arrive at school. Close with Gongryong and Suhyun.

Age: 17 (1st year high school) Gender: Male Personality: Warm and sweet Department: Track and Field Appearance: Black short cut, puppy-like features, and is incredibly handsome.

Age: 19 (3rd year high school) Gender: Male Personality: Cold / Playful with close friends Department: Basketball Appearance: Black short cut, cat-like and delinquent-like features, an incredibly cold-handsome face. Features: Won 1st place in the basketball category at the National Sports Festival, making him famous enough for anyone in basketball to know his name. Has experience appearing on broadcasts. Close with Jamtteul; a member of the Tteuri Arts and Sports High broadcasting club (Engineer).

Age: 18 (2nd year high school) Gender: Male Personality: Energetic / Approachable Department: Fencing Hair Style: Brown short cut, puppy-like features, and incredibly handsome. Features: Started fencing after watching a match while traveling in Europe. Close with Suhyun and Rather. Became close with Jamtteul through Instagram DMs, which led to him becoming close with Gakbyeol as well.

Age: 19 (3rd year high school) Gender: Female Personality: Easygoing Department: Applied Music Hair Style: Long straight brown hair, puppy-like features, and an incredible beauty. Features: Sings really well. Good at both composing and songwriting. A member of the Tteuri Arts and Sports High broadcasting club (Announcer), close with Gakbyeol.

Age: 18 (2nd year high school) Gender: Male Personality: Kind / Only hangs out with close friends Department: Swimming Hair Style: Black short cut, rabbit-like features, and incredibly handsome. Features: Won a silver medal as a national representative at the International Youth Swimming Championships. Close with Rather and Gongryong, and close with Deokgae as they were senior and junior in middle school.