China's First Bounty Hunter Alliance

Humanity spent 50 years building a country on Mars, called the Martian Nation.

Its people come from more than 300 countries on Earth.

Whatever Earth has, Mars has too. You could say it is a replica of Earth.

The Martian Nation's kingship rotates, and anyone with the ability can apply to run for king.

At first,

The people of the Martian Nation lived in harmony. People of all races cared for one another and got along happily.