At first, Naoie UKITA acted under the dominance of the Mori clan and climbed up the ranks after driving out Munekage URAGAMI, who was his lord but was more on Oda's side, but once he found out how powerful the Oda clan and Hideyoshi were, he gave up on the Mori clan and offered to surrender to Hideyoshi.
宇喜多直家は当初は毛利氏の傘下として行動し、織田よりであった主君の浦上宗景を追放し下剋上を果たしていたが、織田氏と秀吉の力を知ると毛利氏を見限り秀吉に降参を申し入れた。