나노바나나 흑백 프로필 사진 프롬프트 스튜디오에서 찍은 듯한 흑백 프로필

Transform the attached photo of me into a black-and-white studio portrait. Keep my face, facial features, face shape, hairstyle and expression exactly the same; it must still clearly be me. [조명 (e.g. Rembrandt lighting from the left)] with a single softbox, deep but soft shadows, a plain dark gray seamless backdrop, [옷차림 (e.g. a black turtleneck)], chest-up framing, rich midtones, fine film grain, realistic skin texture without plastic smoothing, 4:5 ratio.