i have read all i suggest you to read other fanfic from different author to learn everything again and read your story again...so you can rewrite better
"Oh I have no problem with that. Me and my brother actually killed a bunch of students when they fought us over our dogs racist tweet. Actually surprised we didn't go to jail or get expelled for that"
"Good if you tell anyone else I'll hunt you down and punish you" I say with a face full of seriousness causing Coby to sweat nervously "Ok to make things simple for Luffy I woke up today and got memories of my past life. Also I awoke a mystery system that gives me things like powers and stuff like this" I hold out my hand as black lightning began to move along my fingers