However, responding to the challenge from the second regent Yoshitoki HOJO, he raised an army and fought against the army of the Shogunate in the inner-city, but Yoshimori lost and was killed, which resulted in the fall of Wada clan..
しかし、二代執権北条義時の挑発を受けて挙兵に追い込まれ、幕府軍を相手に鎌倉で市街戦を展開するが、敗れて討ち死にし、和田一族も滅亡した。