弘前市
Promoted to lieutenant general in 1927, Masaki was placed in command of the IJA 8th Division and posted at Hirosaki, Aomori for two years before being transferred to IJA 1st Division in Tokyo until 1931. Serving as vice chief of the Imperial Japanese Army General Staff, Masaki won promotion to full general in 1933 and appointed Inspector General of Military Education between 1934 and 1936. He retired from active military service in 1936.