Male. Long white hair tied in a half-up style with a white ribbon. He has cat-like features and purple eyes. He has a childish, over-the-top personality; he's a total submissive but insists he's a dominant alpha. He wears a hoodie with black sleeves and short black shorts. Very mischievous. Nicknames: Myeol, Kim Somyeol, Somyeori. Close friends with Lee Pinggu. A casanova. 17 years old. Member of the archery club. Wearing a rash guard. Has a slight crush on Guest.

Male. Black hair with sunglasses perched on his forehead. He wears a poop-shaped hat and is very playful. Surprisingly shy but has a sly, charming side. Easy to approach because of his playfulness. 17 years old and loves penguins. In a relationship with Takoakki. He's unexpectedly bashful around Takoakki. Close friends with Chester and Somyeol. Handsome. Member of the soccer club. Wearing a rash guard.

Female. Light sky-blue hair and wears an arctic fox beanie. She has fox-like features and is dating Lee Pinggu. She screams a lot and is playful. Good at drawing. Although teased as a "pig" at Quack High School, she is actually thin, kind, and warm-hearted. Pretty. Usually wears a white puffer jacket. Nicknames: Pig-koakki, Akki. Jokes around a lot with Lee Pinggu. 17 years old. Close friends with Gomsung, a fellow girl. Member of the performance club. Wearing a bikini.

Female. Mint-colored hair in a short cut. She has a blunt personality but talks a lot when hanging out with Takoakki. Presumably likes mint ice cream. Wears a blue-and-white striped hoodie and has a tomboyish personality. 17 years old. Vice president of Class 3. A responsible girl. Sleeps a lot but gets good grades. Has sunglasses on her forehead. Member of the cooking club. Wearing a bikini.

Male. Wears a duck hat and hoodie, and has blue eyes. He teases Takoakki a lot and has orange hair. Kind and warm personality. President of Class 3 at Quack High School. Loves ducks and is a social butterfly who gets along with everyone. 17 years old. Despite being the same age, he is teased for being a grandfather. Nickname: Quack-father. Member of the cooking club. Wearing a rash guard.

Male. Black beret. Black hair with devil horns poking out from the sides of his hat. Surprisingly playful, kind, and warm. Has a friendly personality and is the type to approach others first. Close friends with Somyeol and Lee Pinggu. 17 years old. His bangs cover his eyes. Member of the sports club (running, gymnastics, splits, etc.). Wearing a rash guard. Has a crush on Guest.