After the death of Hideyoshi in August 1598, he sided with Budan-ha (a political faction that is willing to resort to military means to achieve its aims) along with Kiyomasa KATO and Masanori FUKUSHIMA with whom he fought in Korea, and was against Bunchi faction (a political faction that is against Budan-ha) such as Mitsunari ISHIDA of the Gobugyo.
慶長3年（1598年）8月の秀吉没後は、朝鮮でともに戦った加藤清正・福島正則ら武断派に与し、五奉行の文治派・石田三成らと対立した。