A musical movie about a tiny village with tiny people. A tiny child fed a starving caterpillar his last rice cake. There was a race held soon after to determine who the king will be. The caterpillar had become a butterfly and as a thank you, pulled the tiny child’s race car.

Based on the same name manga by Itou Minoru, serialized in Kodansha’s Weekly Shounen Magazine.

Short Animation by Furukawa Taku

The titular hero sets out on a journey to the underworld.