Nemuri Kayama (Midnight) - My Hero Academia
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.
Illustrious:
A LoRA weight of 0.9 works great, though you can adjust the strength as you prefer.
Prompts I usually used:
long hair, black hair, blue eyes, red mask, domino mask, mole under eye, white bodysuit, black bodysuit, red gemstones, handcuffs, garter straps, black thighhighs, red belt, hsuit1,
long hair, black hair, blue eyes, mole under eye, glasses, grey suit, white collared shirt, grey skirt, pencil skirt, osuit6,
Pony:
A LoRA weight of 0.8 works great, though you can adjust the strength as you prefer.
Prompts I usually used:
long hair, black hair, blue eyes, red mask, domino mask, mole under eye, white bodysuit, black bodysuit, multicolored bodysuit, skintight, red gemstones, handcuffs, red belt, garter straps, black thighhighs