Timeless Monochrome Romantic Portrait

Create a vertical 9:16 Instagram story portrait of a romantic young couple in a black and white vintage style, sitting on classic stone stairs with elegant balustrade railings, the woman wearing a soft blouse and long skirt gently looking down with a calm expression while the man lies with his head resting on her lap in a relaxed emotional pose, both styled with natural hair and minimal accessories, captured in soft diffused lighting with smooth shadows and timeless cinematic composition, ultra-realistic DSLR photography, monochrome tones, shallow depth of field, high detail, classic old-film aesthetic, 4K quality.