What if I was Reincarnated in DxD with a Pokemon System

Summary:  A self insert, OC fanfic, OP Main Character, Gamer Fic!. Follow Rean Hayashi as he tries to live his new life, full of fun and adventure, along his Pokemon friends and a certain cheerful Maou magical girl. Will he be able to become powerful enough so that the supernatural forces of the world leave him alone?

Fanfiction: https://m.fanfiction.net/s/14050260/11/

Author: https://m.fanfiction.net/u/7743730/