Apocalypse Bodyguard: Hoard Supplies, Try to Steal? I'll Kill You.

Betrayed at eighteen and imprisoned for three years, elite bodyguard Shen Kou emerges into a world on the brink of collapse. Born into a family bound by blood oaths to protect the powerful Ous Group, she's done playing by the rules. As society crumbles through lockdowns and chaos, this ruthless heroine hoards supplies and eliminates anyone foolish enough to cross her. In the apocalypse, mercy is a luxury she can't afford—and won't offer.