In 1366, in the Joji Incident spurred by the anti-Shiba Doyo SASAKI, the Shiba clan fell, and Yoriyuki HOSOKAWA, who had the support of Doyo and the others, became steward.
1366年には反斯波派の佐々木道誉らによる貞治の政変で斯波氏が失脚し、道誉らの支持を得た細川頼之が執事となる。