Photorealistic erotic scene, side view with slight three-quarter angle, a handsome 35-year-old mature man sitting at a wooden desk reading an open book intently, white shirt unbuttoned at the top, trousers unzipped and pulled down, his thick erect penis being sucked. Under the desk, a voluptuous 40-year-old mature woman with extremely large heavy pendulous breasts sagging down almost to her navel, detailed large dark areolas and nipples, thick thighs, wide hips, curvy body, long wavy dark hair slightly messy, wearing a floral print dress pulled completely down at the chest exposing her massive breasts and hiked up to her waist. She is squatting between his legs on her heels, knees spread wide, red lips wrapped tightly around his erect cock, performing deep oral sex with visible saliva dripping down the shaft. From between her widely spread legs, her dense thick black pubic hair and detailed wet vagina are clearly visible, explicit genital details, hairy pussy. Soft warm indoor lighting, gentle shadows under the desk, realistic skin texture, detailed anatomy, natural breast sag, messy disheveled clothing, seductive atmosphere, intimate forbidden feeling, masterpiece, best quality, ultra detailed, sharp focus, 8k, realistic photography