Maribelle from Fire Emblem Awakening. Trained on Pony Diffusion V6 XL. Tested at 0.8-1.0 strength.
Trigger word is "maribelle" and "blonde hair, long hair, drill hair" is required.
Add "hair bow, earrings, pink capelet, ascot, frilled shirt, pink pants, pink gloves, boots" for her typical look.