One Piece: Reborn as Enel

Alexander Nikolia, is a person of many talents, a genius in the eyes of many.

After a bizarre string of events, he ends up getting reincarnated into his favourite anime into the body of one of the most underutilized overpowered villains in the story.

The world was bound to change in some way, whether that change is positive or not... That's up for interpretation really.