He first expelled his former opponent, Sumimoto HOSOKAWA from Kyoto to Iga, but he incurred a counterstrike from Takakuni HOSOKAWA and Sumimoto HOSOKAWA, and was instantly killed by stray arrows during the battle at Sumiyuki's palace of Yushoken.
しかし一度は競争相手である細川澄元を京都から伊賀へと駆逐するが、細川高国や澄元らの反撃を受けて澄之の邸宅であった遊初軒での戦いで流れ矢に当り即死した。