In February of the following year, he departed for the front of Seinan War under the 3rd expeditionary force, and in April in war time, went on to Lieutenant Commander to be Daitaicho (Battalion Chief) of the 11th Infantry Regiment.
翌年2月から征討第3旅団隷下として西南戦争に出征、戦中の4月に陸軍少佐に進み歩兵第11連隊大隊長となる。