Talk:Monster Girl Encyclopedia World Guide III: Sabbath Grimoire/@comment-29325824-20200328112623/@comment-10429980-20200328122007

My impression would be it would have to be redone for each of them, since so much emphasis is placed on the spell being used on a man/woman pair. And given it takes a long time if they aren't french kissing during it, then doing it one pair at a time would likely be faster even if it wasn't the only way.

Although maybe a doppelganger potion for the man would allow him to bond with the whole harem at once, provided enough copies of himself are made. On the other hand they may prefer the man have a clearer mind when doing the ritual.