In the Masahiro's day, Hironori played an important role as a senior vassal of the Ouchi clan together with Hiromori SUE, the shugo daimyo of Suo Province, and held the fort while Masahiro stayed in Kyoto.
政弘の代は、周防守護代陶弘護とともに大内家重臣として重きをなし、上洛した政弘の留守を守った。