In Kyushu region Yoshihisa SHIMAZU, who defeated OTOMO clan and RYUZOJI clan extended his power, and Sorin OTOMO, who was pressed by SHIMAZU, asked Hideyoshi for help.
そのころ九州では大友氏、龍造寺氏を下した島津義久が勢力を大きく伸ばし、島津に圧迫された大友宗麟が秀吉に助けを求めてきていた。