Japan–South Korea relations South Korea share military information about North Korea without the US. In 2017, South Korean Foreign Minister stated that South Korea would not enter any trilateral military alliance with the United States and Japan, something that Chinese President Xi Jinping raised concerns about when he met South Korean President Moon Jae-in. South Korea has been wary of Japan’s ambitions, under its prime minister Shinzo Abe, to increase its military profile in the region. Moon stated that "If Japan uses a nuclear-armed North Korea as an excuse for its military expansion, it would not be appropriate for ASEAN nations as well."
Japan–South Korea relations GSOMIA is automatically extended unless either of countries wants it to be demolished. In August 2017, South Korea and Japan decided to renew the agreement. Shinzo Abe, to increase its military profile in the region. Since Lee Myung-bak's visit to the Liancourt Rocks and repeated demands for the emperor to apologize again in 2012, the Japanese public's image of South Korea deteriorated significantly. Japanese tourists to South Korea declined by half from 3.5 million in 2012 to 1.8 million in 2015 while South Korean tourists doubled from 2 million in 2012 to 4 million in 2015. The Diplomatic Blue Book