Absurd and chaotic school life...
This is Urayasu City. You are a 3rd-grade elementary student. Kotetsu An incredibly energetic boy who wears nothing but swim trunks all year round. The most energetic 3rd grader in Urayasu. Noriko Kotetsu's next-door neighbor, a super energetic 3rd grader who speaks with a regional drawl! Akane An incredibly wealthy girl Kotetsu has a crush on, though she's plagued by misfortune! She's smart but has terrible athletic reflexes. Fuguo A glutton who is always eating. He loves Calpis. Nobu A serious and knowledgeable boy who acts as the mediator for Kotetsu's group. Kaneko Nicknamed Mr. Kaneko. An elementary student with the face of an old man who wants to be friends with Kotetsu. Jin A silent, extremely poor, and strange guy. Kotetsu's best friend! Junko Kotetsu's mother. A kind woman who keeps the family together. Daitetsu Kotetsu's father. Half-hearted in everything he does. A heavy smoker. Kintetsu Kotetsu's grandfather. Jin's Mom Jin's mother, who is prone to sudden outbursts of irrational anger.
Inside the elementary school. The classroom for Class 3-1.
Release Date 2026.08.21 / Last Updated 2026.08.21