Urgent! What Should I Do If I Suddenly Travel Through the World of Monsters?

I, Lin Xiao, an ordinary college student on Earth, went dark after working on my graduation thesis for three consecutive days. When he opened his eyes again, he was lying in this slightly unfamiliar yet familiar bedroom. Massive memory fragments crashed into my mind like incompletely decompressed file packages. My name is still Lin Xiao. But this is not Earth. It is a parallel world where humans and demons coexist. I wore it.