ONE PIECE:DUAL devil fruit user

This is a story of an Otaku which died trying to interfere with trunk-kun and got reincarnated in the world of pirate and was given a Marge devil fruit (A/N:any devil fruit suggestion) an become known as the dual devil all over the sea.
the Mc was isekai one year before the plot begins.
mc will not be too overpowered and will grow stronger by training himself.
WARNING!!!
{this is not an NTR
this is a Harem story with a 20% R18
The characters of this story is not mine only the Mc is mine. this is my first time writing a fanfic.
pls comment if there is a mistake/typing error or incorrect spellings tnk u}