MTL - I Am Supreme - v3 Chapter 520 I have to go back and see

In the vast Marvel universe, where superpower was still slowly growing in its infancy, several peerless superheroes tried to find their path in The Marvel Universe. A young adult named Ron from modern Earth unwittingly stumbles into such a world and begins his journey with an unknown power. This is a magnificent yet unknown true marvel world! This is the story of a normal young adult and his adventures!

- Description from Novelupdates

A book about Austria’s recovery to mightiness!!!A history about House of Habsburg’s struggles and successes!!!The Holy Roman Empire — which was neither holy, nor Roman, nor an empire — now came back!!!

SSR-ranked killer Mu Hui died in an explosion, only waking up to find herself transmigrated into the body of a vicious female supporting character in a book.