A LoRA with the propose of generating a variety of middle aged looking woman ,generally with a thicker body type ,would suggest to prompt it with a Tag style

1girl, solo, nude, nipples, breasts, pussy, detailed nipples, detailed pussy, milf, middle aged woman, long brown hair, green eyes, wavy hair, looking at viewer, seductive smile, medium breasts, navel, realistic, mature face ,detailed nipples ,detailed pussy