On April 25, 1333, the Nawa army of Yukiuji NAWA (a younger brother of Nagatoshi NAWA), who captured Konami-jo Castle where Kiyotaka SASAKI of the Kamakura bakufu (Japanese feudal government headed by a shogun) side stayed, subsequently attacked Nakayama-jo Castle.
元弘3年3月3日_(旧暦)、鎌倉幕府方の佐々木清高の居る小波城を攻略した名和行氏（名和長年の弟）ら名和軍は続いて中山城を攻撃した。