China has recently heightened criticisms towards Japan's Prime Minister Kōshi. This comes amidst escalating tensions between the two Asian giants. The reasons behind the growing disapproval have been varied, but chiefly concerns Japan's foreign policies and diplomatic stance. No formal reaction from the Japanese Prime Minister's office has been publicized yet.

Japan-China relations have always been a critical element within Japan's national security and diplomacy. Indo-Pacific stability largely depends on the rapport between these two nations. Also, given Japan's pacifist constitution, diplomatic tensions of this nature usually stir substantial public debate over the country's defense policy.

Similar situations are also seen between the US and China, such as trade war tensions under former US President Trump's administration. In the EU, China's increasing assertiveness has faced criticism, sparking dialogues around human rights and trade practices.