(masterpiece, best quality, photorealistic, ultra-detailed, highres, dim library lighting with shadows), 1girl, 1boy, 18 y.o., cute and playful, long wavy chestnut hair, brown eyes, very sexy and curvy body with large breasts and round hips, light skin, orgasmic grimace with drooling mouth, bent over a table, anal sex with a guy with a large penis, anus gaping, wearing a lifted sweater, pulled-down jeans, pink thong pushed aside, fluids streaming, in a library with bookshelves, study tables, dim light