The Hayashi family, one of the bakufu members opposing Arai's plan, insisted, "King means Emperor, therefore, Shogun should not introduce himself as King, this is an useless reform. This only causes a flutter in the dovecotes," and also Hoshu AMENOMORI, a Confusion scholar in Tsushima domain opposed it saying, "the Joseon Dynasty doesn't like sudden reformation. Please reconsider," but as a result, the changes were implemented.
これに対しては幕府内反対派の林家から「国王は天皇を指し、将軍が国王を名乗るべきではなく、無用の改変。平地に波風を立てるもの」、また対馬藩藩儒雨森芳洲から「李氏朝鮮は急激な変革を特に嫌う。再考願いたい」とそれぞれ反論をうけたが結果として実現している。