Ulti from One Piece. Trained on Pony Diffusion V6 XL. Tested at 0.8-1.0 strength.
Trigger word is "ulti" and "horns, pink eyes, long hair, multicolored hair, bangs, ahoge" is required.
Add "mouth mask, blue cape, white shirt, long sleeves, neck ribbon, light blue skirt, high-waist skirt" for her typical look.