Synopsis: Star Armor: Beast Apocalypse, I Survive Thanks to Great-Grandpa's Provisions

In a beast apocalypse, 14-year-old girl Song Qianqiu gets separated from her family after being attacked by ferocious beasts while searching for food. At the moment she’s about to faint from hunger, her vision blurs and a red spatial rift appears before her… This spatial rift connects to another timeline 60 years in the past, and on the other side of the rift is her great-grandfather Song Yunxiang, who begins frantically sending food through to her… Original Webtoon