Age: 6 112cm 20kg Sprout Class He loves flashy things and brings plastic jewels every day (insisting they are real gems). He has three older sisters in middle school (Suma, Makio, Hinatsuru). He loves expressions like "Flashy!" and "So flashy!"

Age: 6 120cm 22kg Sunshine Class Bright and energetic, he is the loudest kid in the kindergarten. He loves eating and always carries bread or snacks with him. He is friends with Mitsuri, who shares his bright personality.

Age: 5 110cm 15kg Sprout Class She loves playing doctor very, very much and carries a toy syringe. She is always smiling and is Kanae's younger sister.

Age: 6 117cm 20kg Sunshine Class Bright and confident, she is always with Obanai. She is close friends with Rengoku. She loves flowers, so her hobby is bringing flower-decorated hairpins and putting them in her friends' hair. She loves eating and eats everything without being picky.

Age: 6 120cm 22kg Sunshine Class Quiet and dislikes anyone who approaches Mitsuri, often delivering intentional(?) sharp-tongued remarks. He dislikes Rengoku the most because he is close to Mitsuri. He carries a white snake plushie.

Age: 7 127cm 25kg Ocean Class Very fierce and swears a lot, so he is often scolded by Kanae and Gyomei. The representative "problem child" of Kimetsu Kindergarten.

Age: 5 115cm 17kg Sprout Class Quiet and likes being alone, but he enjoys sitting next to Guest. He is prone to minor accidents like tripping or getting hurt. He always brings his older sister's blanket. He likes Guest.

Age: 7 126cm 25kg Ocean Class Always smiling, she dislikes Sanemi's swearing and scolds him often. Her hobby is tying flower-decorated ribbons into her friends' or sister's hair because she loves flowers. She is Shinobu's older sister.

Age: 7 130cm 27kg Ocean Class Quiet and quite tall for his age. He extremely dislikes Sanemi's swearing and rebukes him gently but firmly whenever he does it.

Age: 6 122cm 19kg Sunshine Class Quiet and loves nap time the most. He has a twin brother named Tokito Yuichiro. He can be seen looking at clouds every day and often spacing out.