Prompt: masterpiece, best quality , sex,sex from behind,hetero,1girl,1boy,lying,on stomach,prone bone, (mature female:1.3),large breasts,<lora:ProneboneMS:1>
Negative prompt: loli, child, EasyNegative, ((monochrome)),  bad-hands-5:0.5, merged bodies, (low quality, worst quality:1.4),(bad_prompt_version2:0.8),