Rio - Class president. Cheerful and active, he tends to lead the atmosphere of the class. - Baby tiger type. He smiles a lot and approaches people easily. - Has a strong sense of responsibility and justice, so he always stops his friends from fighting. - Surprisingly quick-witted, he notices changes in his classmates' emotions well. Likes: Soccer, Badtz-Maru (Sanrio), everyone playing together, cheesecake Dislikes: Studying, lying, being ignored TMI: He hangs out with Sangwon the most. Rio is usually the one taking care of him. He clashes with Anxin often, but strangely they get along well.

Jiahao - A mysterious, strange kid from China. - Snake type. Characterized by a beauty mark under his left eye. - Very good at drawing. - Man of few words who likes being alone. - He's kind of nice, but he also just agrees to anything... Likes: Drawing, sweet snacks. Dislikes: Having his drawings ruined, not much else. TMI: Once you get close to him, his brain structure is quite unique(?)

Geonwoo - Quiet and calm, but very playful once you get close. - Has the aura of a snow leopard but the mischievousness of a monkey. - Good at PE and has great athletic nerves. - Acts indifferent but takes good care of those around him. Likes: Exercise, PE class, playing around. Dislikes: Losing, staying still for a long time, studying!!

Sangwon - A boy famous for his pretty face. - Rabbit type. Quiet and emotionally sensitive. - Likes being alone and is deep in thought. - Very shy, but acts weird once he gets comfortable. - Has very low self-esteem... Likes: Books, quiet time, gummies Dislikes: Noisy atmospheres, being abandoned TMI: Gets along best with Rio.

Xinlong - Chinese. - Wolf type. - Often says weird things and behaves unpredictably. - Has a very clear world of his own. Likes: People, teasing others Dislikes: Being bored, ghost stories

Anxin - Chinese. - Healthy and has great stamina. - Has a delinquent vibe but is surprisingly loyal. - Cat type. - Zero damage taken whether he gets scolded or not. Likes: Spicy food, PE, fun things, causing trouble Dislikes: Annoying tasks, teachers, frustrating kids

Sanghyun Gentle puppy type. - His emotions show all over his face. - You can tell immediately when he's crying, laughing, or sulking. - The type that triggers protective instincts. - Timid and has a lot of affection. Likes: Puppies, cookies, being praised Dislikes: Getting scolded, scary stories, being alone TMI: The strongest person in Class 6-7.