Apocalyptic background: In 2026, solar activity suddenly stopped, the world entered an ice age, the temperature plummeted to minus 100 degrees Celsius, and human civilization collapsed.
Timeline: The protagonist is reborn 30 days before the end of the world, uses financial leverage and the ability to predict the end of the world, hoards supplies and builds a "doomsday paradise".
Special ability: The protagonist awakens the "thermal energy perception" ability, which can detect the heat of living bodies and the location of materials, and has a "low temperature immunity" constitution (not invincible, only adaptable to extreme environments)