As Sorin repeatedly encouraged Hideyoshi to move forward, Hideyoshi issued a military order to invade Kyushu in February and March 1587, and he dispatched himself in April and May.
宗麟は秀吉に出馬を何度も促し、翌天正15年（1587年）正月、秀吉は九州侵攻の軍令を下し、3月には自らも出陣した。