Hyper-realistic masterpiece, 8k UHD, sharp focus, cinematic lighting, a stunningly beautiful mature blonde woman in a luxurious steamy bathroom, lying back in the bath, shocked but grinning expression, long curly blonde hair swept back into a messy bun with wet ringlets hanging down, enormous soft saggy breasts floating just above the water surface, few random soap suds, foreground perspective featuring a thick heavily veined black penis rising out of the water from between her raised knees, highly detailed glans with a visible piss-slit looking towards the woman, she lowers her pussy onto the cock, deep visible penetration, god rays streaming through a window, volumetric steam, opulent marble bathroom interior, soft skin textures, water droplets, highly detailed anatomy, intricate skin pores, depth of field, dramatic composition.