During the internal conflict, Ujimasa was engaged in a battle against the Satake and Utsunomiya clans in Shimotsuke Province, and therefore, he sent Ujiteru and Ujikuni to Echigo Province in June for helping his biological younger brother, Kagetora.
氏政はこのとき下野において佐竹・宇都宮と対陣中であったため、5月に実弟の景虎の援助のために氏照、氏邦らを越後に派遣した。