On June 17, the government army held a council of war in Yatsushiro to discuss the strategy in the Oguchi area and decided that the detached 2nd brigade should seize Kobayashi and support the government army in the Oguchi area, and that the detached 3rd brigade should seize Oguchi and then seize the areas of Sendai, Miyanojo, Kurino, and Yokogawa in the south.
官軍は6月17日、八代で大口方面に対する作戦会議を開き、別働第二旅団は小林攻略と大口方面での官軍支援、別働第三旅団は大口攻略後、南の川内・宮之城・栗野・横川方面を攻略するという手筈が整えられた。