Although naturalized citizens of the Yamatonoaya clan gathered at the Soga clan's house to support Emishi, KOSE no Tokuta who was sent by Prince Naka no Oe managed to convince them to leave, which made troops on the Soga side scattered away (another theory states that the Soga clan lost their will to fight when Prince Furuhito no Oe became a monk at Asuka-dera Temple since he was who they were fighting for).
帰化人の東漢氏の一族は蝦夷に味方しようと蘇我氏の舘に集まったが、中大兄皇子が巨勢徳陀を派遣して説得して立ち去り、蘇我家の軍衆はみな逃げ散ってしまった（飛鳥寺での古人大兄皇子の出家を受け、旗印を無くした蘇我氏の戦意喪失を図ったとする説もある）。