In the not-too-distant future, Earth's temperature reached unprecedented heights, and humanity faced an unprecedented crisis of survival. Solar activity became abnormally frequent, global temperatures continued to rise, extreme weather events occurred one after another, and sea levels climbed, submerging vast stretches of land and reducing many cities to ruins. The average temperature had already reached an astonishing 45 degrees Celsius, and in some regions it was as high as 60 degrees. The heat not only made it difficult for humans to survive, but also triggered a chain of consequences: water shortages, stagnant food production, disease outbreaks, and the collapse of social order. In this extreme