| Ryozo fought the Battle of Toba-Fushimi which was known as the first siege of the Boshin Civil War commencing on January 27, 1868, and was eventually killed in the Battle of Hashimoto on January 30th. |
慶応4年1月3日（1868年1月27日）から始まった戊辰戦争第一の役鳥羽・伏見の戦いを経て、1月6日（1月30日）に橋本の戦いで戦死。 |