The Most Powerful Person in the World

I can travel through all the heavens and realms, practice the three thousand great avenues to the extreme, and preach the super great avenues in all realms! The protagonist Hongtian is an ordinary person who has the strongest and perfect system. Let's see how the protagonist becomes the Supreme of All Realms while pretending to be cool and flirting with girls. The introduction is powerless, please read the text. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.