Apocalyptic setting: In 2026, solar activity abruptly stopped, plunging the entire world into an ice age. Temperatures plunged to minus 100 degrees Celsius, and human civilization collapsed.
Timeline: The protagonist was reborn thirty days before the apocalypse. Using financial leverage and foreknowledge of the coming disaster, they stockpiled supplies and built a “Doomsday Paradise.”
Special abilities: The protagonist awakened the ability to sense heat, allowing them to detect the warmth of living creatures and the locations of supplies. They also have a “cold immunity” constitution, which is not invincibility, but simply lets them adapt to extreme environments.