Rentaro Kamui

There was a human who was born half demon, he lost everything precious to him now what happens if he turns into a devil?
I don't own highschool DXD, I own only my OC!
And im maybe going to use some naruto things like the sharingan. And its is not own by me

First Ever Fanfic! Warning this has a lot of horrible grammar and even bad spelling!
Read at your own risk! And I Swear to god why are you people adding this to your reading list? Even with the warning