On June 23, the detached 3rd brigade led by Major General KAWAJI, which had defeated the Satsuma army in the southern Oguchi, entered Miyanojo and attacked the Satsuma army on the other side and in the downstream area of the Sendai-gawa River.
大口南部の薩軍を退けた川路少将率いる別働第3旅団は6月23日、宮之城に入り川内川の対岸および下流の薩軍を攻撃した。