Group 1 - The negative impact of Japanese Prime Minister Sanna Takashi's remarks regarding Taiwan has extended to Japan's tourism and retail sectors, which heavily rely on Chinese visitors [1] - Following the Chinese government's travel risk warning, 904 out of 5548 planned flights from China to Japan in December have been canceled, indicating a potential worsening of bilateral relations [1][3] - Japan has a total of 172 regular flight routes to China, with 72 routes and approximately 156,000 seats already reduced by Chinese airlines as of November 27 [3] Group 2 - The Japanese tourism industry is significantly affected, with about 8.2 million Chinese tourists visiting Japan from January to October this year, highlighting the importance of this demographic for the industry [3] - Concerns are rising regarding the impact on ticket prices due to the travel risk warning, which may suppress tourism demand growth if flight reductions continue [3] - Aida Cruises announced a change in its 2026 Q1 itinerary, focusing on South Korea and Southeast Asia, with Japanese destinations removed, reflecting the shift in travel patterns [5] Group 3 - In popular tourist cities like Tokyo, there has been a noticeable decline in both visitor numbers and spending among Chinese tourists, raising concerns among local tourism and retail businesses [8] - Local businesses in Okinawa are also feeling the effects of the recent remarks, indicating widespread concern across various regions [7]