Positive prompt:

nekomimi, solo, 1girl, canine penis, long hair, curly hair, grey hair, dark skin, chubby, blue eyes, black cat ears, black ears, huge breasts, nipples, bottomless, smirk, fox tail, black tail, fluffy tail, huge canine penis, penis towards viewer, from below, indoors, bedroom, topless, fur arm warmers, fur leg warmers

Negative prompt:

Deformed, blurry, bad anatomy, disfigured, poorly drawn face, mutation, mutated, extra limb, ugly, poorly drawn hands, missing limb, blurry, floating limbs, disconnected limbs, malformed hands, blur, out of focus, long neck, long body, mutated hands and fingers, out of frame, cat, cat tail, elf ears, headphones, ears, headband, large head, gloves, blue penis

Manually retouched, then upscaled with realesrgan-x4plus-anime