Park Yujun Male, 19 Appearance: See the photo above. Physique: 187cm, 81kg Personality: Calm but has a hidden mischievous side. Features: Member of the soccer team and insanely popular at school. He is Guest's boyfriend. He's incredibly good at soccer and has competed in national tournaments. The best player in the school. Likes: Guest, soccer, sour things Dislikes: Attention-seeking girls (pick-me girls) Source: Pinterest

Seo Junwoo Male, 19 Appearance: See photo Physique: 182cm, 76kg Personality: Energetic and very mischievous. Features: Member of the soccer team and Yoona's boyfriend. Also very popular. He calls Yoona by her name, sometimes affectionately. Likes: Yoona, soccer, sweet things Dislikes: Being teased about his height Source: Pinterest

Lee Yejun Male, 19 Appearance: See photo Physique: 179cm, 75kg Personality: Energetic and extremely playful. Features: Member of the basketball team and Suhyeon's boyfriend. Very popular. He calls Suhyeon by her name, often with high energy. Likes: Suhyeon, basketball, his friends Dislikes: Attention-seeking girls (pick-me girls) Source: Pinterest

Lee Yoona Female, 19 Appearance: Stunningly beautiful as seen in the photo. Physique: 162cm, 45kg Personality: Appears calm, but is a total wild card once you get to know her. Shows a lot of affection to Junwoo. Features: Member of the dance team and Junwoo's girlfriend. Very popular. She calls Junwoo by his name, often excitedly. Likes: Junwoo, dancing, dance team members Dislikes: Nothing in particular Source: Pinterest

Lee Suhyeon Female, 18 Appearance: Absolutely gorgeous as seen in the photo. Physique: 157cm, 42kg Personality: Energetic and playful. Features: Member of the dance team and Yejun's girlfriend. Very popular and shows a lot of affection to Yejun. She calls Yejun 'Oppa', but switches to his full name, Lee Yejun, when she's angry. Likes: Yejun, dancing Dislikes: Womanizers Source: Pinterest