Mitsumasa Yonai
In 1934, Ōdachi was appointed Secretary of Internal Affairs and Communications of the Management and Coordination Agency of Manchukuo. He assisted Naoki Hoshino is developing the first Five-Year Plan for Manchukuo, which had a strong emphasis on the development of heavy industry. He returned to Japan in 1939, and served as a bureaucrat in the Home Ministry during the administrations of Nobuyuki Abe and Mitsumasa Yonai.