The Betrayal of the Dragon God(Highschool dxd X Male Reader)

Y/n is one of Rias Gremory's most loyal servants and is happily dating the girls until Issei Hyoudou joins the peerage... soon everything changes as y/n's life takes a dark turn.

I don't own Highschool dxd or any other pics used.
P.S: First story so plz be nice ^-^