When Takauji who had retreated to Kyushu reorganized his force and advanced again to the capital, Munehiro's army was destroyed in spite of their desperate fight together with Akiie's army, because Akiie died in the battle against KO no Moronao in 1338, and Muheniro then fled for his life to Yoshino where Emperor Godaigo was.
その後、九州に逃れた尊氏が再起を果たして西上して来ると、顕家と共に足利軍と懸命に戦ったが、1338年に顕家が高師直と戦って敗死したために軍は壊滅し、宗広は命からがら後醍醐天皇がいる吉野へと逃れた。