Setting up Emperor Kogon, he retreated to Kamakura with Tokimasu HOJO and Nakatoki HOJO; however, Tokimasu, who was caught in a surprise attack of armed priests of Mt. Hiei in Omi Province, died in battle.
北条時益・北条仲時と共に、光厳天皇を奉じて鎌倉へ退却するが、近江国で比叡山の僧兵の闇討ちにあった時益は戦死。