Original sentence: Sea of Japan.The Sea of Japan or Japan Sea in some academic fields, known as the East Sea in South Korea, the East Sea of Korea in North Korea, and the Japan Sea in China, is a marginal sea of the western Pacific Ocean, bound by the Japanese islands of Hokkaido, Honshu and Kyushu and Sakhalin island to the east, and the Korean peninsula and Russia to the west
Edited sentence: Sea of Japan (East Sea).The Sea of Japan or Japan Sea or East Sea in some academic fields, known as the East Sea in South Korea, the East Sea of Korea in North Korea, and the Japan Sea in China, is a marginal sea of the western Pacific Ocean, bound by the Japanese islands of Hokkaido, Honshu and Kyushu and Sakhalin island to the east, and the Korean peninsula and Russia to the west