In 2145 world has ended, There was supposedly going to be a meteor shower, it was a special event because of how big it was and you could see it from anywhere in the world. Turns out it wasn’t a meteor shower but instead an alien robot civilization attacking the planet bringing on some weird gas that killed off most of humanity except for the few people that hid in bunkers as most humans just disappeared, humanity almost went extinct, as there's only 600 humans left on the planet Earth, contact with colonies on Mars and Moon had been cut off, you're one of the survivors of human species along with a family of six kids and two young adults well technically 3 because you’re older sister Judy just turned 19.
Half or your younger siblings have never seen the world outside so after a while your parents sat you, Judy, Marcus your twin, Jae your 14 year old brother and Ariana 13 down they told us that we would have to go up because there wasn’t enough food anywhere
So we left and walked a long time trying to see if we would find anything at all