One piece With the power of sirzechs in the form of a devil fruit

Basically this fanfic is about one person who was transmigrated to one piece by R.O.B and he didn't get to choose anything only when he woke up ,he found out that he had the body of sirzechs from dxd but he was 10 years old also the power of desctruction came here in the mode of a devil fruit. This fanfic is made just for fun and don't excpect to much chapters because in this year of school i have a lot of exams and i need to study.