I Stockpiled Billions of Supplies in the Apocalypse, and the Goddess Begged Me to Open the Door

In his previous life, he was softhearted and helped his neighbors and girlfriend, only to be eaten by them. Reborn one month before the apocalypse, he sold his house and company, maxed out all his credit cards, built a top-tier safe house, and stockpiled enough supplies to last several lifetimes.