In 1580, in cooperation with Tadatomo NIIRO and Masatoshi KAMATA, he attacked and defeated Korefuyu NAKAMURA, the lord of Yazaki-jo Castle (Uto County in Kumamoto Prefecture) in the land of the Aso clan in Higo Province.
天正8年（1580年）、新納忠元、鎌田政年らと共に肥後国・阿蘇氏領の矢崎城（熊本県宇土郡）城主・中村惟冬を攻めこれを討ち滅ぼす。