Seo Jiwoo from Solo leveling / Ore dake Level Up na Ken
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:
seo_jiwoo_sl, short hair, dark green hair, bangs, green eyes, blue top, midriff, yellow armor, yellow shoulder pads, wrapped arms, bandaged arm, gloves, armored gloves, iron gloves, blue loincloth, pelvic curtain, gold waistband, bare legs,