Milim Nava from That Time I Got Reincarnated as a Slime / Tensei shitara Slime Datta Ken
When I tested it some different checkpoint and LORA's it seemed to work well with this LORA.
LORA weight 0.7 works great, but feel free to adjust the strength to your liking.
The settings for the Pony version can differ from the 1.5 version
Prompts that I usually used:
pink hair, long hair, twintails, (white crop top), black sleeves, black panties, blue eyes, ahoge, one thighhigh, one garter