During the Genko War he went to Mt. Kasagi with his father, however they lost the battle and both himself and his father were caught by the bakufu (Japanese feudal government headed by a shogun) forces and sentenced to banished to Tosa Province.
元弘の乱では父と共に笠置山に赴いたが、敗れて父と共に幕府軍に捕らえられ、土佐国に流された。