Aura from Frieren: Beyond Journey's End
Keep in mind that settings may vary slightly between different versions. See below for more details.
When I tested this with different checkpoints and LoRAs, it seemed to work quite well.
Pony:
A LoRA weight of 0.8 works great, though you can adjust the strength as you prefer.
Prompts I usually used:
long hair, purple hair, multiple braids, bangs, purple eyes, white horns, gold necklace, gold choker, strapless dress, black dress, bare shoulders, black gloves, elbow gloves, navel cutout, red waist cape, white skirt,