Group 1 - Japan's economic reliance on China is significant, with approximately 20% of Japan's total exports going to China, while China's reliance on Japan has decreased to a historical low of 4.5% in terms of imports [1] - The tourism sector in Japan is heavily dependent on Chinese visitors, with the prosperity of locations like Kyoto and Hokkaido closely tied to their travel intentions [1] - The recent surge in Japanese stock markets is primarily driven by international investors, such as Warren Buffett, rather than Chinese investment institutions, indicating a shift in capital dynamics [1] Group 2 - The recent high-profile incident in Japan may trigger widespread economic backlash from the public, similar to the 2016 response in South Korea, where entertainment exports to China plummeted by 37% [3] - Political instability in Japan, characterized by frequent changes in leadership, could undermine economic policies and investor confidence, leading to a negative feedback loop between politics and economics [3][5] - Japan's lack of natural resources and innovation, combined with a reliance on overseas asset returns from the "lost three decades," poses a significant challenge for sustaining its developed economy [5]