Group 1 - Japan experienced record high temperatures this summer, with the national average temperature in July being 2.89 degrees Celsius higher than the historical average, marking the highest since records began in 1898 [3] - The extreme heat has led to "heat inflation," significantly increasing the prices of essential goods such as vegetables, meat, and eggs, with tomato prices reaching approximately 40 RMB per kilogram and carrot prices around 28 RMB per kilogram, both up nearly 20% compared to the previous year [5] - The core Consumer Price Index (CPI) in Japan rose by 3.1% in July, marking the eighth consecutive month of inflation above 3%, with estimates suggesting that households may see monthly expenses increase by up to 25,000 yen (approximately 1,200 RMB) due to the heat [7] Group 2 - The heatwave has been described by media as "disaster-level heat," with Gunma Prefecture recording a historical high of 41.8 degrees Celsius in August [3] - The wholesale price of pork reached a historical high of approximately 46 RMB per kilogram in July, although it has slightly decreased recently [5] - Experts predict that the ongoing high temperatures and reduced agricultural yields may further drive up prices, exacerbating the financial burden on Japanese households [7]