Momotaro: Sacred Sailors

Momotaro: Sacred Sailors is the first Japanese feature-length animated film. It was directed by Mitsuyo Seo, who was ordered to make a propaganda film for World War II by the Japanese Naval Ministry. Shochiku Moving Picture Laboratory shot the 74-minute film in 1944 and screened it on 12 April 1945. It is a sequel to Momotarō no Umiwashi, a 37-minute film released in 1943 by the same director and also starring the traditional Momotarō character.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.