This is an older, less refined version of the model that I inherited. I don't work in Pony anymore so it will not be updated.
For Illustrious please see this model https://tensor.art/models/874364770537484889/Cross-Swimsuit(IL)-2Part
Example Prompt:
1girl, white_hair, large_breasts, solo, croix_swimsuit, cat_ears, cat_tail, slit_pupils, cat_eyes, cat_girl, crossed_legs, sitting, bed, bedroom, messy_hair, smile,