Hyouketsu no Shuumatsu: Mugen no Busshi de Ikinokoru

Overnight, the world is plunged into an apocalyptic Ice Age. In his past life, Gavin Clark perished from the cold and starvation. But reborn one month before the catastrophe, he stockpiles supplies, unlocks abilities, and builds a survival fortress. As the frost descends and chaos erupts, Gavin rests in warmth and comfort, his safe house a paradise in a frozen hell.

(Source: Webnovel)