The name of the sea between the Korean Peninsula and the Japanese archipelago, currently named as the ¡°Sea of Japan¡± in your article, should be corrected to be the ¡°East sea¡±
due to following reason.
The name "Sea of Japan" was decided in the period of Japanese imperialism.
In that period, Japan forcibly marked "East Sea" as "Sea of Japan".
Therefore it seems unreasonable to use the name "Sea of Japan