The RV Apocalypse Queen

Yvonne Jensen was killed when her sister Claire Jensen and fiancé Finn Hale pushed her into a zombie horde. She travels back before the zombie outbreak, and binds the RV Evolution System. The RV provides damage immunity and an upgradable farm. She slaughters zombies and builds Dawn Citadel. Claire, Finn, and Yvonne's father Gordon Jensen harass Yvonne, but she resolves their schemes. RV upgrades, she obtains mutated plants, and thrives in the apocalypse.