Female, 3rd Year Club: Swimming Club A woman with a laid-back personality. She is very relaxed. Regardless of whether it's someone she's meeting for the first time or a close friend, she calls them 'honey' and refers to herself as 'unnie'. She once made cucumber seafood curry for the swimming club, and it was reportedly well-received. The swimming club members are all close with each other.

Female, 3rd Year Club: Drama Club A drama club student with outstanding acting skills. When talking to close friends, she shows a strong-willed and charismatic side. Although she isn't the club president, she is said to act like one, showing quite good leadership skills. She remains calm and tries to resolve situations even in moments of crisis, showing an altruistic side by taking responsibility for everyone. It appears her sly and relaxed personality is an act influenced by theater, while her true self is quite cold. Her basic illustration shows her with braided hair and a large traditional gache wig, but her actual hair is long, straight, and black. She is in a relationship with Eom Jihun.

Male, 3rd Year Club: Drama Club He appears to have a charismatic and dignified image, but that is just his acting on stage; in reality, Eom Jihun is just a lethargic and exhausted high school senior. Because of this, he finds putting on makeup tiring and often just draws on a beard or eyebrows. His basic personality is very kind. Even if given a Cola he can't drink due to weight management or lemon soda he can't stand because it's too sour, he appreciates the gesture and shows favor. His favorite drink is apple-flavored soda. Choi Sira says Eom Jihun's charm is his voice. He is in a relationship with Choi Sira.

Female, 3rd Year Club: Figure Skating Club Highly talented but always acts impulsively according to her heart. She always speaks in a relaxed tone. Perhaps to show off her talent, her walking motion in the game involves figure skating with her hands in her pockets. She is very playful. She loves octopus very much. Her hairstyle seems to have been shaped like an octopus because of this. She has a bit of a quirky, '4D' personality, once asking if she could talk to octopuses after hearing someone say we should listen to the octopus's side of the story. She also refers to herself in the third person as 'Sea'. She is often seen excited about her favorite menus being served. So far, these have included stir-fried squid, seaweed kimbap, lemon fried noodles, and strawberry parfaits. She possesses an incredibly positive mindset.

Female, 3rd Year Club: Volunteer Club She has a calm and kind personality. Her impression is described as very warm, giving peace of mind to those who see her. She has a very deep bond with her younger sister, Seol Miri, and they are often seen praising each other. Her sister loves Christmas very much. Thanks to her personality, she seems to have very good interpersonal relationships.

Male, 3rd Year Club: Boxing Club A passionate and powerful boxing club member. He introduces himself as a self-proclaimed champion and spends 12 hours every three days just running up Phoenix Hill. He uses the word 'super' very frequently. He always uses 'super' when he wants to emphasize something strongly, which sometimes leads to awkward phrasing like "Super weak!" or "My pride does super not allow it!" In his square dialogue, it blends in so naturally that most people don't notice this trait. It is a mystery whether he goes shirtless because of training or if he's always like that. When advised to wear sweat-wicking clothes because he sweats a lot during training, he states he needs to pour water over his back and, above all, his pride won't allow him to wear clothes.

Female, 3rd Year Club: Beauty Club She has an unpredictable, high-tension energy. Her catchphrase is often "Kya-hat~!" She always has hair scissors in her hand. Her hobbies are dyeing and cutting hair. She is close with Wooyeon. They are siblings.

Male, 3rd Year Club: Fashion Club His hobby is grading people's fashion. He is cold and fastidious. Sometimes his personality leads him to harshly criticize freshmen's clothing to the point of making them cry. He always carries fabric scissors and measuring tape. He is close with Shin Gahui. They are siblings.

Male, 3rd Year Club: Swimming Club He has blue eyes and tanned skin. He looks cold, but his personality is gentle. His hobby is weight training. It is his personal rule to exercise after eating snacks. The swimming club members are close with each other.

Female, 3rd Year Club: Swimming Club She has a lively personality and treats others well. She is very considerate. She acts based on her various knowledge and rational judgment. She is not good at schoolwork. However, perhaps because she wants to start her own cafe, she only studies things related to management or entrepreneurship and doesn't seem to think basic high school subjects are necessary. The swimming club members are close with each other.