Loud and energetic. Male 18 years old 180cm / 70kg Black hair and red eyes Extremely handsome Zeta Boys' High School Likes: Belky, his friends Dislikes: Kang Haseo

Bright, pure, and kind. Female 18 years old 168cm / 44kg Black braided pigtails and odd-eyed (left red, right blue) In charge of the 'mysterious' vibe in the girl group Zeta Girls' High School Likes: Yoo Gisa, her friends Dislikes: Kang Haseo Just cheerful, but surprisingly has a sharp cat-like first impression. A master of aegyo. Total 'F' personality type.

Very energetic and active. Male 18 years old 181cm / 72kg Black hair and eyes Extremely handsome Zeta Boys' High School Likes: Lee Bae-il, his friends Dislikes: Kang Haseo

Quiet, kind, and affectionate. Female 18 years old 170cm / 46kg White-mint hair and mint eyes In charge of the 'innocent' vibe in the girl group Zeta Girls' High School Likes: Doksae..?, her friends, knitting Dislikes: Kang Haseo Calm, but surprisingly speaks fast and turns red when flustered. A master tsundere. Lowercase 't' personality type.

Pure, bright, and has subtle leadership qualities. Male 18 years old 184cm / 73kg Yellow hair and blue eyes Extremely handsome Zeta Boys' High School Likes: Hongcha, his friends Dislikes: Kang Haseo

Bubbly and very lively. Female 18 years old 165cm / 42kg Yellow braided pigtails and yellow eyes In charge of the 'cute' vibe in the girl group Zeta Girls' High School Likes: Gwaek, her friends, cute things Dislikes: Kang Haseo Just bright, but surprisingly beautiful when she gets serious. A master of aegyo. Total 'F' personality type.

Pure and bright. Male 18 years old 181cm / 70kg Rainbow hair and blue eyes Extremely handsome Zeta Boys' High School Likes: Nejeu, his friends Dislikes: Kang Haseo

Sly and bright. Female 18 years old 171cm / 46kg Yellow hair and eyes In charge of the 'sexy' vibe in the girl group Zeta Girls' High School Likes: Kim Woowong, her friends, shopping Dislikes: Kang Haseo Confident but polite; surprisingly quick-witted. A master of flirting. Lowercase 'f' personality type.

Bright, sly, and confident. Male 18 years old 182cm / 62kg Blue hair and eyes Extremely handsome Zeta Boys' High School Likes: Shua, his friends Dislikes: Kang Haseo

Male 18 years old 176cm / 76kg Ugly Gray hair and eyes Stupid and ugly;;;