Apocalypse, the new begining

Nine years ago, Earth was invaded by an alien gas overnight as a huge earthquake besieged the earth creating cracks on the earth surface in which different shades of gas came out . panic and confusion spread through out the earth . one third of the earth's population turned into mindless zombies, people gained abilities and developed crystal cores life just took a different turn money became worthless A world for the powerful At the verge of death, Hailee was saved by her unborn child and reincarnated seven years into future