In 1884, he accompanied Ōyama Iwao to study military science in various countries of Europe, especially Prussia. After returning home, he became a major general and vice-chief of the Imperial Japanese Army General Staff.
In 1884, he embarked on a journey to Europe with Ōyama Iwao for military studies, focusing primarily on Prussia. Upon his return, he attained the rank of major general and assumed the role of vice-chief of the Imperial Japanese Army General Staff.