keep the existing three-panel character turnaround layout, keep the same man in all three panels, keep front view, side view, back view, keep all compositions, poses, hairstyle, clothing, dividing lines and background unchanged. add subtle realistic facial texture, visible fine pores, minor surface unevenness, slight dark circles, faint natural marks, restrained grittiness. keep muted greenish low-light tone, add subtle 35mm film grain, slightly soften digital sharpness, reduce plastic-like clean look, reduce over-retouched face. natural rough film still quality, do not change identity, do not change angles, do not add new people. 负面提示词：beauty filter, airbrushed, over smoothed, flawless face, perfect surface, porcelain texture, plastic doll look, overly sharpened, overprocessed, hdr, heavy retouching, new people, different faces, changed pose, changed angle, extra panels, text, watermark, logo