He once retired from the political world after the Kakitsu War in which Mitsusuke AKAMATSU and others murdered the sixth Shogun Yoshinori ASHIKAGA in 1441, nevertheless later becoming a political adviser along with Sadachika ISE and others in the period of the eighth Shogun Yoshimasa ASHIKAGA, he exerted influence on the shogunate government.
1441年に赤松満祐らが6代将軍足利義教を謀殺した嘉吉の乱の後に引退するが、8代将軍足利義政時代には伊勢貞親らとともに政治顧問となり、幕政に影響力を持つ。