User blog comment:Piyush Banerjee/Shin DxD 2 discussion/@comment-38412599-20190204191903/@comment-62.211.61.185-20190204210023

It wasn't just an erotic fantasy, it was a vision induced by a god. In fact Issei saw a lot of boobs he didn't recognize (so all the girls he already saw naked and that weren't mentioned in the dream won't be part of the harem).