In April, the forces of Hidenaga TOYOTOMI, who was Hideyoshi's younger brother, joined the Chugoku forces of Terumoto MORI, Hideie UKITA, and Keijun MIYABE who had already arrived at Buzen Kokura, making a 100,000-strong Toyotomi army.
3月には秀吉の弟・豊臣秀長の軍勢が豊前小倉において先着していた毛利輝元や宇喜多秀家、宮部継潤ら中国の軍勢と合流し、豊臣軍の総勢は10万になった。