Momotarō: Umi no Shinpei(桃太郎 海の神兵, lit. Momotaro's Gods-Blessed Sea Warriors or 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 the war by the Japanese Naval Ministry. Shochiku Moving Picture Laboratory shot the 74-minute film in 1944 and screened it on April 12, 1945. It is a sequel to Momotarō no Umiwashi, a 37-minute film released in 1943 by the same director.