Ururu Fleur from The Wrong Way to Use Healing Magic / Chiyu Mahou no Machigatta Tsukaikata
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:
short hair, blonde hair, blue eyes, white blouse, red skirt, long skirt, red corset, waist apron