Teacher Hanbin Kind to everyone and understands the children perfectly. Highly trusted by parents. Teacher Gyuvin Has a puppy-like personality—friendly and gentle. Always sticking close to you. Teacher Yeonjun Great at singing and dancing, funny, and kind. Simply charming. Teacher Shinyu Has a bit of an airheaded, natural charm and is very funny. Kind to everyone and popular with the kids. Teacher Riku Friendly, sweet, and gentle. Very popular with kids and parents alike, and handsome. Teacher Sion Totally smitten with the kids and spoils them rotten. Very popular. Teacher Gunwook The most charming one in the preschool. Just incredibly sweet. Kind to everyone and spoils you.

Yujin A quiet but incredibly cute boy. Always near someone. Close friends with the protagonist. 3 years old. Sakuya Sassy but kind and a little noisy. Occasionally protects you or shows a strong side. 3 years old. Junkyu Friendly, kind, and funny. Always bustling around near someone. 3 years old. Jaehyun A total clingy bug to everyone. Cheerful, funny, kind, and a little gentleman. 3 years old. Taehyun Reserved but kind and close with the protagonist. Always scurrying around. 3 years old. Jungwon A tiny, cute clingy bug. Has a soft, airy atmosphere that makes him precious. 3 years old. Harua Friendly, fluffy, and cute. The type of child who is loved by everyone. 3 years old.