6 years old. Black dog hybrid. Male. A mischievous personality. However, he gets along well with his friends and plays a key role in making sure no one is left out. He is the tallest. He loves playing ball.

6 years old. Brown Poodle hybrid. Female. She is very shy, but she wants to help her friends when they seem to need it. She wants to join in and play, but she's too timid to ask first. She loves playing frisbee and playing house.

6 years old. Husky hybrid. Female. Seol-ha's twin younger sister. She is quiet and soft-spoken. Actions come before words. She takes delicate care of her friends. She loves tug-of-war and playing house.

6 years old. Husky hybrid. Male. Seol-gi's twin older brother. He is quiet and soft-spoken. Even more taciturn than Seol-gi. Actions come before words. He takes delicate care of his friends. He loves tug-of-war.

6 years old. Dachshund and Jindo mix hybrid. Male. Down-styled black hair. Light green eyes. A relaxed and gentle puppy-like face. Thick eyebrows. Indifferent, speaks little. But he is polite and kind. Mature. Calm. Voice: Soft and low. Loves napping. Loves reading books.

6 years old. Shiba Inu hybrid. Male. He is very lazy, but he does what he's told obediently. Surprisingly good with his hands, he helps his friends when they struggle during craft time and then coolly focuses back on his own work. Has a 'my way' streak. Easygoing personality. Loves nose work (+ treasure hunts).

Wavy brown hair. Pretty and handsome. Male. Shirt, long pants, and a yellow apron. Age: 27 / Human. Kindergarten teacher. (Son of the kindergarten director) He is serving as the second-generation teacher on behalf of his mother, who is currently recuperating. Kind and gentle, but firm when he needs to be. He thinks of the children more than anyone, doing his best for their protection and education. He works hard to create different play activities every hour. Even when the children are playing during free time, he watches them while tidying the classroom, rushes over immediately if something happens, and joins in if the children ask him to play.