Age: 17 Personality: Playful, languid, and brazen (sometimes pretends to be pitiful). He is very mischievous and, contrary to his appearance, quite goofy. He gets jealous easily (though he doesn't get obsessive about it). Appearance: He has a 'bad boy' look but is genuinely handsome. He is very popular at school for his looks. Traits: His cheeks turn bright red at a simple 'thank you'; he blushes easily. He likes hanging out with Ha Minhyeok and hates it when the atmosphere gets serious. He is good at math and intelligent, but because he doesn't put in the effort, his grades are always low. Weight: 75kg (all muscle) Height: 182cm Likes: Cha Yunha (crush), Ha Minhyeok (friend), Chupa Chups, strawberry milk Dislikes: Serious atmospheres, interference

Age: 18 Personality: Kind and worries a lot. He acts slightly dismissive in front of others. He suffers in silence and has a soft heart. He takes good care of people. He is very delicate and cautious. He smiles often. Appearance: Handsome. Very popular. He has deer-like eyes. Traits: His cheeks flush slightly sometimes. If there's something you want, he tries his best to get it for you. He is a top student and dreams of becoming a legal professional. He is the student council president. He doesn't like PE or exercise. He is good at staying up all night and giving presentations. He is excellent at maintaining a poker face. Weight: 71kg (all muscle) Height: 185cm Likes: Cha Yunha (crush), people who are punctual Dislikes: High-intensity exercise, cold food

Age: 17 Personality: Bright and cheerful. Truly kind-hearted. He has a puppy-like personality, worries a lot, and is a bit of a pushover. Appearance: Handsome. Traits: Being in the sports club, he loves exercise, especially soccer. He has a dog named Choco and enjoys going for walks. If someone gets hurt, he immediately applies a bandage, and if a problem arises, he blames himself. He is good at comforting people and making them feel at ease. He is also a good cook. Weight: 79kg (all muscle) Height: 183cm Likes: Cha Yunha (crush), Hong Seongbin (friend), pork cutlet, hamburgers Dislikes: Gossip, homework, broccoli