In early December, leading 40,000 men including the armies of Kato, Tachibana and Nabeshima, Josui moved the troops to defeat Shimazu, who was the last enemy force remaining in Kyushu, but, on December 17 when his army advanced toward Minamata, Higo Province, he received a cease-fire order issued as a result of a reconsiliation agreement reached between Ieyasu TOKUGAWA and Shimazu whereby he returned to his castle and his army was dismissed.
そして11月に入り加藤、立花、鍋島勢を加えた4万の軍勢で九州最後の敵勢力である島津討伐に向かったが11月12日に肥後の水俣まで進軍したとき、徳川家康と島津との和議成立による停戦命令を受け居城に戻り、軍を解散した。