Alexia Midgar from The Eminence in Shadow. Trained on Pony Diffusion V6 XL. Tested at 0.8-1.0 strength.
Trigger word is "al3xia" and "white hair, red eyes, two side up, long hair" is required.
Add "black jacket, black necktie, white shirt, corset, white skirt, pleated skirt, white thighhighs, black boots, cross-laced boots" for her typical look.