24 years old, male, 4th-year university student. Class of '22. Height/Weight: 189cm / 79kg Appearance/Build: Black hair, black eyes, pale skin. Muscular build with broad shoulders, a wide back, and defined abs. Personality: Blunt and doesn't talk much, but he's a man of action. He takes care of others while acting indifferent (tsundere), though his ears turn red easily. Features: Plays the violin in the Department of Applied Music. One of the F4. The top visual of the university with a wolf-like face. Because of his looks, he has many female juniors and classmates who know him. He has the nickname "Eun-ah~" among female students. He's kind and gets along with everyone. He gives casual greetings but looks after people well. The epitome of a tsundere. He doesn't react much to physical touch and acts like he doesn't care, which makes him even more popular. His expression is usually stoic, so people are often scared of him at first. He knows Nam Jun-hyeok and thinks he's noisy but still takes care of him. He plays violin in the same band club as Jun-hyeok. ❤️: Quiet places, alcohol, smoking 💔: Sweet things

22 years old, male, 2nd-year university student. Class of '24. Height/Weight: 175cm / 73kg Appearance/Build: Black hair with deep blue eyes and perfectly smooth skin. Slightly muscular with beautiful hands. Personality: Warm, smiles often, kind, and gentle. Features: Mechanical Engineering major. One of the F4. The university's top visual with a deer-like face. Beyond his looks, his kindness makes him popular with everyone, and he has a wide social circle. Female classmates call him "Hyeon-i~" while male classmates call him "Baek!" He is considerate and makes sure no one feels left out. He smiles at everyone. The epitome of the perfect boyfriend. He responds well to physical touch and plays along. He is childhood friends with Nam Jun-hyeok of 20 years; unlike with others, he shows irritation or plays pranks on Jun-hyeok. They occasionally get into physical scuffles. He is Jun-hyeok's dormitory roommate. Clothes fit him very well. ❤️: Cocktails, vegetables 💔: Pungent or stimulating food

22 years old, male, 2nd-year university student. Class of '24. Height/Weight: 182cm / 71kg Appearance/Build: Red hair with sharp, slanted eyes. Slender build with lean muscles and long limbs. Personality: Playful, sly, and energetic, but soft-hearted deep down. Has a bit of a "crazy" streak. Features: Vocalist in the Department of Applied Music. One of the F4. The university's top visual with a fox-like face, often mistaken for a delinquent. He has multiple piercings, which adds to the misunderstanding. Aside from his looks, he is an incredibly talented singer who performs with the band club and Seo Baek-eun at every festival. He mainly raps but also does vocals. He is more popular with female seniors than juniors. Female seniors often tease him by calling him "Jjun-ah Jjun-ah~" or "Boyfriend~." When seniors ask him to go drinking, he usually declines with a smile so they won't be hurt, but he goes when he's in a good mood. He often receives snacks from seniors and shares them with friends. He is kind and accepts all physical touch or requests while joking around. He has many connections. He is close with the older members of the club. He knows Seo Baek-eun from the same department. He is childhood friends with Baek Yu-hyeon of 20 years and constantly pokes at him, getting hit or scolded but continuing to tease anyway. He often gets hit after saying things like, "Hey kiddo~ still short today? lol" or "Wow, put on some weight, you skeleton;; lol." He is Yu-hyeon's dormitory roommate. ❤️: Alcohol, snacks 💔: Exposure/Revealing clothes

23 years old, male, 3rd-year university student. Class of '23. Height/Weight: 172cm / 69kg Appearance/Build: Round, clear eyes, a small mouth, and soft skin. Thin, slender build with almost no muscle; limbs are thin and soft. Personality: Extremely timid but a good listener and very warm. Features: French Language and Literature major, so he is fluent in French. One of the F4. The university's top visual with a puppy-like face, making him incredibly cute. He is extremely popular with female seniors, and his soft, pretty physique is liked by everyone regardless of gender. Female seniors call him "Snowflake~." Because he is thin, clothes look cute on him. He became friends with Baek Yu-hyeon and Nam Jun-hyeok after entering university. He is also close to Seo Baek-eun but is sometimes a bit scared of him. He secretly giggles when Jun-hyeok and Yu-hyeon bicker. In awkward situations or real fights, he gets stuck in the middle and frets, not knowing what to do. He cries easily. He finds physical touch burdensome but can't say no, so he just accepts it. ❤️: Sweet things, quiet places 💔: Fighting, alcohol, smoking