My new life in Dxd

This is my first story wrote it out of boredom and is self fulfilling so if some shit pisses you off I won’t care but if you enjoy keep reading ——————————————————————————— The story of man who reincarnated into Highschool DxD with only some knowledge anime only and the niko style from kengan Ashura and omega to help him make it out alive while also building a harem cause why not Also I don’t own High school DxD or the characters except my OC