Ieyasu TOKUGAWA, who held the real political power at that time, supported Tadatsune's actions by approving a lord's punishing his vassal who rebelled, and as a result, Tadatsune returned to the Shimazu residence.
当時実権を握っていた徳川家康は、主君は反逆した家臣を成敗できるとして忠恒の行為を支持し、その結果忠恒は島津邸へ戻った。