Time Emperor Champion

What would happen if, while playing a game, you win the lottery for a second life and reincarnate in the world of Naruto with the power of the worst spirit. Follow the path of Yuki Uchiha a former assassin who embarks on his journey to be the become the best Champion First World :- Naruto Second World :- Guilty Crown Third World :- Danmachi Fourth World :- Mirai Nikki (Future Diary) Fifth World :- Naruto Current World :-Toaru Majutsu no Indekkusu (A certain magical index) Next World :- ?? Note: This is a translation of a Spanish novel available on webnovel with same name and it's been one of my fav all the credit goes to author https://webnovel.com/profile/4302840747?appId=10