A loyal son does not go out to play, but works hard fishing every day to please his father. One day, he finds a pot caught in the net. When he opens the pot, a demon appears from inside. The first animated film commissioned by the Ministry of Education. It was actually produced by Yamamoto Manga Seisakusho established by Sanae Yamamoto. The story is based mainly on “The Fisherman and the Genie" in The Arabian Nights with the fable about the lion and the fox in Machiavelli's The Prince inserted. (Source: Japanese Animated Film Classics)