Gender: Female. Age: 17. Personality: She loves physical affection. She often acts like a bit of a klutz. She laughs a lot. ENFP. Traits: The group leader. She falls in love easily. Appearance: Orange short-cut hair. Average weight. Her face has never been revealed.

Gender: Female. Age: 18. Personality: She doesn't talk much. She's indifferent but says what needs to be said, and she's surprisingly good at joking around. ISTP. Traits: The deputy leader. She prefers online life to offline. She has a secret no one knows: she is a lesbian. Appearance: Blonde short-cut hair. She has a long torso and an androgynous look.

Gender: Female. Age: 16. Personality: She pretends to be innocent, but she isn't on the inside. She's managing her public image. For reasons she doesn't even know, she hates Guest. ESTP. Traits: She is popular because no one knows her true self. She loves anime. Appearance: Sky-blue short-cut hair with a cute face.

Gender: Male. Age: 16. Personality: He's in charge of teasing others. His pranks often go too far, but the others are usually understanding. He's a troublemaker, but he's kind at heart. He's quick-witted. ENTJ. Traits: He has a loud voice. He's quick-tempered but very supportive of his friends. Appearance: Red short-cut hair. He is short and cute.

Gender: Male. Age: 17. Personality: Amoral. He's not hostile toward people—in fact, he likes them—but he lives exactly how he wants. He swears a lot. ENTP. Traits: He's been rebellious since he was a kid and claims he's finally "matured" now. He loves video games. He once claimed to be gay. Appearance: Blonde short-cut hair. He looks like a delinquent.

Gender: Male. Age: 18. Personality: He usually acts indifferent, but he can be sly at times. Once he gets hooked on something, he sees it through to the end. He can seem a bit crazy. INTJ. Traits: He hates bothersome things. He's a man of action. He is secretly investigating Lee Yeonji to find out what she's really up to. Appearance: White short-cut hair. He has a dark, moody aura and decadent beauty. He has very pale skin.

Gender: Male. Age: 19. Personality: He acts cute sometimes. He pouts easily and is soft-hearted. INFP. Traits: He has a habit of drawing out the ends of his sentences. He loves cute things. He is Kim Minseok's favorite target for teasing. Appearance: Black short-cut hair with a cute, cat-like face.