A lively boy named Daichan in traditional Japanese clothing comes from the country where he lived with various kinds of animals to the capital of Tokyo He has a funny habit to begin to dance as he hears music. He visits a friend of his late father's to learn judo and makes friends with the young daughter of the judo master Kikuko and the cat Nyanko. For a little girl, Kikuko has wonderful judo tricks inherited from her father while Nyanko is able to perform a difficult trick of triple turn in the air and both of them are worthy instructors for Daichan. Although he shows clownish behavior once in a while, he is always popular among people around and grows stout and shrewd to be a future champion.
