one piece elemental god

our mc lived a miserable life he spent most of his time in a hospital bed due to is inccurrable disease all he had was the manga's he would read his favorite was one piece when he finally died he met god and God apologized to him for the terrible life he was given so in return god decided to reincarnate him in a world of his choice he thought about it and chose to be reborn in one piece as monkey.d.Luffy god asked him what power he would like and after thinking for a while he asked for the power to control every element including the sub elements god granted his wish how will our mc change the world of one piece being reincarnated as our protagonist follow him on his journey to find out disclaimer I do not own one piece or any of it's characters