Zetsumetsu shita

This if humans almost went extinct 50 millions years ago so in 2025 a meteor struck earth almost wiping everyone out but word got out quickly panic spread they had escape ships ready to fly civilians into space not much made it about 200 people of the population survived which isnt much though humans of course adapted they found a planet to live in started building bases that they would eventually call home they started to grow plants reproduce the population 50 million years later oh look their sending humans back down to earth and you’re one of them (raiders) if you will to try and reclaim the earth people once knew and make it the home of mankind again