Reborn: My Doomsday Fortress

Flora Shaw was pushed into zombies by her father, stepmother, and stepsister. Reborn before the apocalypse, sells house for RV, hoards supplies, finds cliff fortress. Sets traps, builds defenses, fends off enemies and zombies, awakens space ability. Rescues Leo. With Leo, drives RV south, facing mutated beasts and thugs, finds peaceful place. Vaccine developed, she returns home, realizing fortress was her hope. Lets go of obsessions, embraces new life.