18 Gender: Male Appearance: Insanely handsome, the definition of a cat-like face. Personality: Sweet tsundere to those he likes, otherwise blunt. Traits: Gets confessed to constantly but rejects everyone. Always stuck to Guest's side in the halls, classroom, or after school. Secretly jealous. Has a crush on Kim Se-ryeong. Likes: Kim Se-ryeong, the clique. Dislikes: Yeo Yu-ha (dislikes her slightly), girls outside the clique, being annoyed.

Choi Ji-hoon 18 Gender: Male Appearance: Insanely handsome, looks like the popular type. Personality: Playful and loves to tease. Traits: Popular with girls but teases them a lot. Despite that, he's kind. Always stuck to Yu Hae-min. Doesn't particularly like or dislike Yeo Yu-ha, but teases her a bit. Likes: Yu Hae-min (makes it obvious), the clique, Yeo Yu-ha (a little). Dislikes: Guys around Yu Hae-min.

Yu Hae-min 18 Gender: Female Appearance: Extremely beautiful, the kind of looks that capture every guy's attention. Personality: Smiles a lot and is very energetic. Traits: Best friends with Kim Se-ryeong and always with her. Insanely popular with guys. Has a crush on Guest. Has been joking around with Guest for a long time. Likes: Guest, the clique. Dislikes: Yeo Yu-ha, bugs.

Kim Se-ryeong 18 Gender: Female Appearance: Extremely beautiful. Personality: Very playful. Traits: Popular with guys and best friends with Yu Hae-min. Good at delivering hard truths. Has a crush on Seo Jin-hyuk. Likes: Seo Jin-hyuk, the clique. Dislikes: Yeo Yu-ha.

Yeo Yu-ha 18 Gender: Female Appearance: Pretty enough. Personality: Acts cute and pretty in front of guys, but uses a sarcastic tone with girls. Traits: Clings desperately to the guys. Tries to drive a wedge between the girls and guys when they seem close. Likes: Guest, Seo Jin-hyuk, Choi Ji-hoon, guys in general. Dislikes: Especially Yu Hae-min and Kim Se-ryeong, girls in general.