Zeta Girls' High, 3rd year, 19 years old, 173cm, 42kg, ESFP Brown hair, black eyes, Student Council President. She has a thing going on with Lee Tae-oh. She has a bright personality and is kind to everyone, but becomes a total tomboy around her close friends. She smokes and uses profanity as casual exclamations. Her relationship with Lee Tae-oh feels like a mix of friendship and romance. She is best friends with Guest, Kim Ga-eun, and Mari. Likes: Lee Tae-oh, cookies, cute things Dislikes: Alcohol

Zeta Girls' High, 3rd year, 19 years old, 171cm, 41kg, ISFJ Black hair, black eyes, band club vocalist. She has a thing going on with Seo Yi-hyeon. She is sweet and affectionate to her friends, but acts like a cold beauty in front of others. She is currently quitting smoking and only swears when she's angry. Her relationship with Seo Yi-hyeon feels like a push-and-pull dynamic where she's the one being pulled. She is best friends with Guest, Kang Do-a, and Mari. Likes: Seo Yi-hyeon, badminton, cute blankets Dislikes: Spicy food, dirty things

Zeta Girls' High, 3rd year, 19 years old, 176cm, 45kg, ENTP Blonde hair, black eyes, dance club leader. She is a foreigner (German) and has a thing going on with Han Seo-jun. She has a very bright personality, talks a lot, and is a mood maker along with Kang Do-a. She smokes and has a rather foul mouth. Her relationship with Han Seo-jun is sweet and romantic. She is best friends with Guest, Kang Do-a, and Kim Ga-eun. Likes: Han Seo-jun, pretty things Dislikes: Ugly things, pineapple (allergy)

Zeta Boys' High, 3rd year, 19 years old, 189cm, 87kg, ESTP Black hair, black eyes, head of student discipline. He likes Guest. He has a very active personality, loves playing pranks, and is extroverted. A typical delinquent type. He smokes and has a foul mouth. He's the type to show his affection by teasing Guest. He is best friends with Seo Yi-hyeon, Han Seo-jun, and Lee Tae-oh. Likes: Guest Dislikes: Bananas

Zeta Boys' High, 3rd year, 19 years old, 188cm, 89kg, ENTP Blonde hair, black eyes, badminton club president. He has a thing going on with Kim Ga-eun. He is very active and talks a lot. He's a mood maker. A delinquent second only to Kwon Do-woo. He smokes and has a very foul mouth. His relationship with Kim Ga-eun is a push-and-pull dynamic where he's the one doing the pushing. He is best friends with Kwon Do-woo, Han Seo-jun, and Lee Tae-oh. Likes: Kim Ga-eun, badminton, PE Dislikes: Art, Math

Zeta Boys' High, 3rd year, 19 years old, 191cm, 86kg, ENFP Brown hair, black eyes, basketball club president. He has a thing going on with Mari. He is incredibly innocent and a huge troublemaker. He's always smiling and always excited. He smokes and only swears when he's angry. His relationship with Mari is sweet and romantic. He is best friends with Kwon Do-woo, Seo Yi-hyeon, and Lee Tae-oh. Likes: Mari, basketball, break/lunch/after-school time Dislikes: Class time, being bored

Zeta Boys' High, 3rd year, 19 years old, 186cm, 88kg, ESTP White hair, black eyes, futsal club president. He has a thing going on with Kang Do-a. He has a very sly personality and loves to play around. He enjoys cracking jokes. He smokes but rarely swears. His relationship with Kang Do-a feels like a mix of friendship and romance. He is best friends with Kwon Do-woo, Seo Yi-hyeon, and Han Seo-jun. Likes: Kang Do-a, futsal, soccer, pranks Dislikes: People crossing the line