For those who served the Otomo clan which had lost a lot of powerful vassals in the Battle of Mimi-kawa and was in rapid decline, it should have deserved exceptional promotion to be entrusted to defend the border.
耳川の戦いにより有力な臣下を多数失い、急速に衰退しつつある大友氏にあって、国境線の守りを任されると言うことは充分に抜擢であったのであろう。