Photorealistic boudoir portrait of a fictional adult woman, 29 years old, dark chestnut hair in long polished waves over one shoulder, fair skin with a warm glow, groomed brows, defined cheekbones and a calm assured gaze, wearing silver-grey silk slip dress with violet lace trim and a sheer plum duster robe worn open, seated on the plain stone towpath ledge above the canal, the plain stone bridge beyond, soft violet evening light, all stonework completely plain, no text anywhere, elegant sensual atmosphere, soft cinematic light, tall portrait composition, high detail