Prompt: Pornpics.com and (A naked black man confidently shows off his detailed black huge erect cock:1.2) and (detailed glans) and Hands behind head and underarms visible and (raw photo and masterpiece and highest quality and 8k)
Negative prompt: (pussy) and (worst quality:2) and (low quality:2) and (normal quality:2) and (bad anatomy) and (semi-realistic and anime and  illustration and 3d rendering  and drawing)