Pirates in Multiverse

I am,......... Whitebeard? I got stabbed, Died and reincarnate as Sli*cough* Whitebeard. ........... Warning: English is not my first language. I don’t own one piece or any of the other fiction shown in this novel. I only own this fanfic. Fast paced story with a overpowered mc from the beginning. There is also System mixed in it. Not a sentient System but will answer question if asked.