Devil x Astral Master (Rias Gremory x Male Reader)

You were raised by a scientist who was a little paranoid at times. You also meet a boy named Issei Hyoudou during your childhood. You both were involved in an accident one day, but your father saved you two. Years later, you transfer to a school under a different name. You soon meet a popular student who is secretly a Devil. You've usually held a resentment toward the supernatural, but you soon see them in a different light. However, dangerous figures from a forgotten past begin to threaten everything you care for. Find out many truths as you fight for love and power.