Rule Creepypasta: Isn't This Normal?

In 2055, rules descended upon the world, and creepypastas returned to the mortal realm. Two hundred countries each selected ten individuals to participate in the creepypasta world, known as the Chosen Ones, broadcast globally. Success brings glory, failure leads to national destruction and even annihilation—if a nation's participants die once, one city is wiped out. Protagonist Su Yu, killed in a car accident, transmigrates into the creepypasta world and collaborates with Dragon Kingdom's chosen to clear the instances and uncover the truth.