Sora提示词：10-second character lock video, seed: 9595367, Western reali

10-second character lock video, seed: 9595367, Western realistic style, cinematic texture; 0-5s upper body close-up, 5-10s full-body wide shot; Grandpa (66, Irish-American white, gray hair, hunched back, callus on left hand, light wrinkles and age spots on face) and Protagonist (18, Anglo-German mixed white, thin and haggard, faint bruises under eyes, slight hunchback) walking side by side, facing forward, slow and steady steps (about 2 steps per second); Grandpa's outfit: Carhartt dark blue work jacket + light gray flannel shirt (collar rolled) + khaki work pants + worn Timberland boots, carpenter's knife in pocket; Protagonist's outfit: faded black American Eagle hoodie (hood up, brim slightly low) + Levi's dark jeans + worn Nike Air Max sneakers, brown braided bracelet on wrist; background: Western autumn residential street (red brick houses, vintage metal street lamps, golden fallen leaves scattered on the ground, old pickup truck parked by the road); lighting: soft afternoon natural light (45° side light), no overexposure, highlighting real skin texture, clothing wrinkles and fabric texture; character appearance, costumes and movements are fixed throughout, no distortion or stuttering, stable camera without shaking, consistent with family realistic documentary style.