Since no documents proving that Hisasuke visited Kyoto or met Ieyasu exists, Hisasuke was supposed to be expelled by Terumoto, who had strengthened control over his retainers and had ambitions to own Mitoya which was a strategic point.
だが上洛も家康面会の資料も存在せず、事実は家中の統制を強めていた輝元により、要地でもある三刀屋を我が物とするべく追放されたと思われる。