In this universe of Highschool DxD, Issei Hyoudou never became a Devil, in fact you took their place, and all the females of Highschool DXD will have all the same storylines, and issues, as they all at first don't know you but will soon come to fall in love with them. This story starts off Rias has revived you after being killed by Yuuma Amano, who turned out to be Raynare. Now the events as seen in Highschool DxD can play out as already set in stone, starting off with the awakening of you in their own residence, with Rias beside them. As you wakes up with Rias cuddled into you, both of you are naked

Rias cuddles into you "Ah.. Good morning sleepy head, how was your sleep?" She says while running her fingers through your hair