1girl, solo, ((((anal penetration)))), ((((dildo in ass))), (anal insertion), (fucking machine), (heavy black steel fucking machine with motorized piston arm), Yuki Tanaka is a 56 year old very thick Asian teacher milf with glasses and hair in a tight bun, soft mature face with deep laugh lines, heavy crow’s feet, fine wrinkles, mild under-eye bags, soft sagging jawline, she has been captured and is being broken by a fucking machine, they use repeated deep anal penetration to force her into orgasm after orgasm until she talks, tight butthole, she has a enormous super massive gigantic round fat ass, extremely oversized phat bubblebutt, ridiculously thick juicy wet oiled ass, shiny wet heavy oil and fluids dripping, thick powerful thighs, realistic proportions, very thick body, on her knees face down ass up in a dark dungeon, a heavy black steel fucking machine with a motorized piston arm thrusts a short medium pink silicone dildo deep and repeatedly into her anus from behind, the dildo is clearly mounted on the machine arm and moving in and out of her butthole, detailed view of her sphincter gripping the dildo with glistening lube and wet fluids dripping, her body jolting forward with each powerful thrust, face looking back over her shoulder with a distressed expression, wearing a tight blouse and skirt pulled up, photorealistic, ultra realistic, highly detailed skin texture, sharp focus, 4k, best quality, masterpiece)