He left Kamakura to join Yoshihiro's army, advanced with his army to Fuchu, Musashi Province (Fuchu city, Tokyo Prefecture), but was dissuaded by Norisada Uesugi, and retreated after hearing of Yoshihiro's defeat and subsequent death.
さらに自身も、義弘に加勢するため鎌倉を発ち、武蔵国府中（東京都府中市(東京都)）まで進軍するが、関東管領の上杉憲定に諫止され、途中義弘の敗死を聞き引き返した。