In January 1333 in the Genko War, he went to Kyoto by orders of Takatoki HOJO to fight against a great commander of the Imperial army, Masashige KUSUNOKI, at Shitenno-ji Temple in Settsu Province.
元弘の乱の1333年1月、北条高時の命を受けて上洛し、摂津国四天王寺にて官軍側の名将・楠木正成と戦った。