Reborn: Her Apocalypse Revenge

Betrayed and killed by relatives in her past life, she is reborn back thirty days before the apocalypse! Fake heiress and biased family want to trample her. She fights back with her younger brother! She meets a cold military leader who shares her rebirth past. Can missed protection arrive? Hoarding supplies, building a fortress, settling scores with enemies, as apocalypse and Zombies run rampant, can they break through and find hope?