https://mugenfreeforall.com/topic/26251 ... s-nsfw-18/
Mugenguild I can really see them only having like one or two at most slip through, so probably not worth it. There's a lot of children on that forum lol. But at least one did slip through.
https://mugenguild.com/forum/topics/mr- ... 744.0.html
The rest of the sites though I'm not going to be prejudice against because we have to still use what's left out there. They all have hentai characters, and tbh I'm part of a very, very small group of people that I know trying to preserve these as much as possible.

https://mugenarchive.com/forums/downloa ... 4-18-edits -These are only victims afaik-