A beautiful mature mother and her thin young son, completely nude

a beautiful mature mother and her thin young son, completely nude, mother caressing son's penis, dark and sultry atmosphere, curtains billowing, professional lighting, cinematic, erotic, photorealistic, masterpiece, (best quality,4k,8k,highres,masterpiece:1.2),ultra-detailed,(realistic,photorealistic,photo-realistic:1.37),portrait,dramatic lighting,warm tones,chiaroscuro,moody,sensual

worst quality, low quality, bad anatomy, bad hands, bad body, missing fingers, extra digit, fewer digits