(Civitai doesn't ask you to post an image to evaluate a model anymore, therefore your fetish won´t get exposed by giving reviews or clicking like. Just remember to clear browser history and logout your account regularly.)

Now it can generate sometimes good nipples (without inpainting) than before, but still need to be improved. Using inpainting makes it better.

Just avoid any positive prompts like "nipple piercing".

Train with 640*960 resolution, it is already the best a gtx 1070ti can do.