Kochin is a boy with a big forehead, and when he comes home and is about to eat a snack, his tutor Kohei comes and interrupts him, and the snack is also eaten by Kohei. In retaliation, Dekochin hits Kohei with a hammer and knocks him out. Kohei is misunderstood by his parents for skipping sleep and gets fired from his tutoring job. A fierce battle involving the towns of Dekochin and Torahira has begun! Yamane Aoni's 1930s alley gag manga that creates a drama about the logic of the child's world and the relationship with adults, and the inevitable conflict between them.