Bora Lee 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:
lee_bora_sl, short hair, black hair, purple eyes, round glasses, black dress, puffy sleeves, black sleeves, long sleeves, white top, white gloves, detached collar, yellow collar, white headdress, white ribbons, long ribbons, cleavage, cross-laced dress,