This LoRA is meant to help with breast size, breast shape, nipple size, nipple shape, and nipple color. Works best with a NSFW base model. Here are the concepts it was trained on, some work better than others:

tiny breasts

small breasts

medium breasts

large breasts

puffy breasts

saggy breasts

pointy breasts

veiny breasts

perky breasts

small nipples

medium nipples

large nipples

pale nipples

pink nipples

red nipples

light brown nipples

dark brown nipples

plain nipples

puffy nipples

erect nipples

elongated nipples