The neighboring country Japan coveted after Ryukyu for a long time, infiltrating its influence into Ryukyu in various ways, then placing Ryukyu under its control through wars.

• 邻国日本时此觊觎良久，其势力通过各种途径向琉球渗透，最终以侵略战争的方式把琉球置于控制范围之内。