Reverse

In this world, Rias Gremory is just your average, incredibly beautiful young girl with average life. In this world, Issei Hyoudou is a reincarnated devil in search of a peerage to fulfill his dream of becoming a Harem King. Nothing is ever the same in this strange and Bizzare world. How will the life goes for these two persons, if their role are reversed? Warning: Kinda OOC