When the Kakitsu War occurred in 1441, he killed Noriyasu AKAMATSU (the son of Mitsusuke AKAMATSU), who had escaped inside of Ise Province, to show his deference to bakufu (Japanese feudal government headed by a shogun).
嘉吉元年（1441年）、嘉吉の乱が起こると、伊勢国に逃亡してきた赤松教康（赤松満祐の子）を殺害して、幕府に恭順を誓った。