Fast foward to the future

At the end of the 21st century, the world has gone through bigs changes. Pandemic, crisis and WW3 has killed 80% of the population, mostly male. The UN was disbanded, and the countries were divided into 5 large factions:

UK, led by England.

US, lead by America.

RS, led by Russia.

CN, led by China.

SA, led by South Africa.

In addition, some secret organizations has been founded.