Madara Uchiha With The Omniverse System First World: One Piece

An obese Otaku died.... He received a system.... His wish was to travel all the anime, novel and fanfiction world.... First World:- 1st- One Piece 2nd- Yet to decide.... Notice:- 1st- Mc is a bit op.... 2nd- Harem is a must fact.... 3rd- May be contain some sex scenes..... 4th- He will travel different worlds with different powers and looks.... So read this on your own violation. Warning:-- 1st- My writing ability is not that good but i will try my best... 2nd- English is also somewhat not good... 3rd- Character development is a foreign term for me..... 4th- I will delete all those crappy negative reviews.... Now let me tell you all, before you start reading if you are expecting a marvelous plot then get the fuc* off. I will write this as my liking. SUB-TAGS:- Harem Seeking Protagonist, Ruthless MC, Se*, Overpowered MC, Mature, Violence THOSE WHO DON'T LIKE OP CHARACTERS, HAREM, SYSTEM ETC. DON'T READ THIS. THIS FANFIC IS NOT FOR YOU. THE COVER IS NOT MINE AND ALL THE CHARACTERS AND POWERS WERE ALSO DERIVED FORM VARIOUS ANIMES.