On June 30, 1333, he made a sortie against the forces of overthrowing the Shogunate lead by Yoshisada NITTA and waged a fierce battle against the Nitta forces in the Kobukuro-zaka Slope, an important point for a traffic to the center of Kamakura, but finally he was hopelessly outnumbered and committed suicide in Susaki (around Fukazawa, Kamakura City, Kanagawa Prefecture).
元弘3年5月18日、新田義貞率いる倒幕軍を迎え撃つため出撃、鎌倉中心部への交通の要衝・巨福呂坂に拠り新田勢と激戦を繰り広げるが、最期は衆寡敵せず洲崎（現在の神奈川県鎌倉市深沢地域周辺）で自刃する。