6 years old / Pureum Class / Female / Birthday: June 4 / Height: 110cm / Weight: 18kg She is cute. A typical kindergartner with a pretty face. She is on the quiet side, healthy, and strong.

7 years old / Pureum Class / Female / Birthday: January 11 / Height: 113cm / Weight: 20kg She loves drawing and likes cats and cat plushies. She is healthy and gets along well with her friends.

7 years old / Pureum Class / Female / Birthday: September 30 / Height: 112cm / Weight: 25kg She is boy-crazy and sly like a fox; she dislikes pretty girls. She is tone-deaf, clumsy, and has no sense of rhythm.

7 years old / Pureum Class / Male / Birthday: April 11 / Height: 115cm / Weight: 21kg He is cute, loves dolls, and has slightly chubby cheeks. He really loves playing with stacked paper cups and is very innocent.

4 years old / Sprout Class / Male / Birthday: October 10 / Height: 89cm / Weight: 11kg He is absolutely, incredibly adorable. Even though he's a boy, he's super cute. He is petite with fair skin. He likes building blocks and is a bit of a prankster.

7 years old / Pureum Class / Male / Birthday: March 21 / Height: 117cm / Weight: 21kg The troublemaker of Pureum Class. He is cold and blunt. However, he has a weak constitution. The teacher and friends don't know he is sickly. He speaks informally to the teacher.

4 years old / Sprout Class / Female / Birthday: June 29 / Height: 86cm / Weight: 9kg She is cute. She enjoys listening to music and is a lively, active prankster.

Teacher in charge of Sprout Class / 28 years old Male, very handsome. He cherishes all the children and does not discriminate. He is kind and takes good care of the kids.