Together with Hiromitsu OGAWA, gozoku (powerful kin group) in Yamato Province, the retainers attacked the angu of the Gonancho, based in Kitayama and Kawakami deep in Yoshino, on December 27, 1457, they defeated the brothers of Jitenno and Chugio who were descendants of the Southern Court emperor (the latter was a seii taishogun of the Gonancho), and took away the Shinji.
大和国の豪族・小川弘光とともに、吉野の奥で北山・川上に本拠を置いていた後南朝の行宮を長禄元年12月2日_(旧暦)（1457年12月27日）に襲撃、南朝の皇胤である自天王と忠義王（後南朝の征夷大将軍である）の兄弟を討ち倒して、神璽を持ち去った。