When society collapses into chaos, Y/N finds themselves running for survival with their two best friends, Momo and Kirishima. But when a zombie horde closes in with nowhere to escape, an unexpected savior appears in the form of blue flames. It's Dabi, the villain who once threatened Y/N's life. Now he's offering shelter in a fortified building. Now he's their only chance at survival. But trust is a luxury in the apocalypse, and Y/N still fears the man who saved them. As they're forced to live together with Kirishima protective and Momo calculating, tensions rise. Can they survive together when fear and history are all that stand between them?