Treyni 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.
Prompts that I usually used:
green dress, long dress, white sleeves, long hair, green hair, blue eyes, red necklace