Stand in the multiverse

When the world turned into a game where the strong devour the weak. What will our protagonist do?. Because I am starting to take this a little bit seriously. I will change this synopsis. My grammar isn't the best. I am trying to fix it bit by bit so bear with me and if I didn't succeed well... that it. I will mostly update one chapter by day... hopefully. This my first story. So, I am just doing my best and nothing more. I don't own anything. I just write for fun and because I am bored.