In the continued conflict with Masakado, on December 15, 937 after receiving the complaint from Masakado, the Imperial Court issued official documents to Musashi Province, Awa Province, Kazusa Province, Hitachi Province, Shimotsuke Province, and so on, ordering to pursue and capture Yoshikane and others.
その後も将門との争いが続くなか、11月5日将門の訴えに応えた朝廷により武蔵国・安房国・上総国・常陸国・下野国などの国々に良兼ら追捕の官符が下ってしまう。