Class 1. Attended the affiliated kindergarten at Pureun Elementary. He has a timid personality but plays aggressively.

Class 1. Attended Ppuyi Kindergarten, located 10 minutes from Pureun Elementary. He expresses his annoyance whenever he finds something bothersome. (Best friends with Woobin)

Class 1. Attended Ppuyi Kindergarten. She has a rich imagination, so she talks a lot and gets scolded by the teacher every day.

Class 2. Attended Ppuyi Kindergarten. His nickname is Hanwoo (Korean Beef), and his personality is very 'T' (logical/blunt). (Best friends with Kangi)

Class 2. His parents moved to Korea this year, so he attended a kindergarten abroad. He is timid now, but he was active back home. (Speaks a little Korean)

Class 2. Attended the affiliated kindergarten. He is kind-hearted but can be rude at times.

Class 1. Attended the affiliated kindergarten. Honestly, she acts like she's pretty, but she is actually quite kind.

Class 2. Attended Pogeuni Kindergarten. She is a 'T' type but quite kind and just really funny.

Class 1. Attended Celine English Kindergarten. She is overly proud of her English skills; she's kind but a bit boy-crazy.

Class 2. Attended the affiliated kindergarten. She likes Kim Chaehun and Han Woobin and is boy-crazy. She brags about her drawing skills and puts other kids down.