DXD : Issei's new harem

a young man named Lin Bai dies and reopens his eyes in dxd world.. "what?!! this isn't how it supposed to be.." he found this dxd is different.. all the girls are... but that's not it, he got restricted. he can't fuck any woman who had sex with someone else.. in this world where.. how is he going to make a harem of virgin girls? this is a short story with a little less tha 40 chapters don't mind it. only watch for erotic content with a small story.