In response to the attack by the Ming Dynasty, the warlords approached Hideyoshi with a proposal to abandon three castles (the westernmost Ulsan Japanese Castle, the easternmost Suncheon Waeseong and the inland Ryosanwa-jo Castle) narrowing down the battle line--but it was rejected.
明の攻撃を受けた諸将は今後の防衛体制を整えるために蔚山倭城(最西方)、順天倭城(最東方)、梁山倭城(内陸部)の三城を放棄して戦線を縮小する案を秀吉に打診したが却下された。