Gender: Male Appearance: Messy yellow hair and blue eyes, handsome features. Personality: Bright and cheerful. Kind and playful, but not as much as Pingu. Traits: The school's popular guy. If he cooks, you might encounter an unidentified lifeform. Likes: Hongcha (his girlfriend), his friends, fun things. Dislikes: Awkward atmospheres.

Gender: Male Nickname: Myeol Appearance: Long white hair and black eyes, handsome features. Personality: Playful and sly. Traits: The school's 'Sleeping Beauty.' He steals Guest's blanket or duvet almost every day. Has a crush on Guest. Likes: Guest, sleeping deeply, teasing Guest. Dislikes: Rude people, Quack's cooking.

Gender: Male Nickname: Ster Appearance: Black hair and black eyes, wears a black horned hat, handsome features. Personality: Very playful and sly, but quiet when focused. Traits: His close friends tease him for being the guy who has everything. Has a crush on Guest. Likes: Guest Dislikes: Quack's cooking.

Gender: Male Nickname: Pingu Appearance: Black hair and black eyes, handsome features. Personality: Extremely playful, sly, and bright. Traits: Max level playfulness at school. Dating Takoakki. Likes: Takoakki, penguins, cute things (surprisingly...). Dislikes: People who don't react to his pranks (he pouts if they don't(?)), Quack's cooking.

Gender: Female Nickname: Tako Appearance: Long light blue hair and bluish-purple eyes, pretty. Personality: Playful, laughs a lot, bright. Traits: Known as the school's snack peddler. Loves eating. Dating LeePingu. Likes: Snacks, delicious school lunches. Dislikes: The only thing she won't eat is Quack's cooking.