My Survival System Has Stocked the Doomsday Fortress to the Brim

- Protagonist: Lu Chuan survived for eight months in a global extreme-cold apocalypse in his previous life. In the end, his childhood friend and girlfriend betrayed him, stole all his supplies, and left him to freeze to death in a blizzard at minus 72 degrees. Just before he died, he unexpectedly bonded with the [Extreme Cold Survival System] and was reborn ten days before the apocalypse began.