Immortality in DxD

After coming out of seclusion for a few centuries, our protagonists finds himself in a world both familiar and foreign. Watch as he tries to reintegrates himself back into society ruled by Devils, Angels and Fallen Crows.
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Hello! I sure hope you all are looking forward to this new fanfic being dropped! This'll be a cultivation theme Highschool DxD story. This was primarily inspired from the fact that Senjutsu is such an insanely interesting concept in the DxD world, so please expect an insanely overpowered protagonist! I hope you all enjoy!