>>52109
I usually get them from a site called from sfm lab. That's where you'll find most nsfw models for source filmmaker. It does require membership to view +18 stuff though.

Other than that, the ddlc ones are just the normal models from the steam workshop, head hacked onto a generic nude bodies. As for the monika animation one, it was a chimera of various monika models hacked together, with the nipples from the generic nude body tacked on. They are by no means good looking, if you look closely you can see skin tones or lighting not quite matching up. But since I cannot model characters from scratch, it'll have to make do.