Use the uploaded reference video  as the exact motion, choreography, timing, composition, and camera reference.MAIN CHARACTER:Replace ONLY the single central main character with the person shown in Character Reference 1 Image 1 .The central main character must exactly match Character Reference 1 Image 1 throughout the entire video.Preserve the exact facial identity, facial features, hairstyle, skin tone, body proportions, clothing, and overall appearance of Image 1 The central character must remain clearly distinguishable from all surrounding characters at all times.SURROUNDING CHARACTERS:Replace ALL surrounding background people with the characters shown in Image 2 Every surrounding person must consistently match Character Reference 2  Image 2 in clothing, headwear, mask, colors, body proportions, and overall appearance.Do NOT apply Character Reference 2 Image 2 to the central main character.Do NOT apply Character Reference 1  Image 1 to any surrounding character.ACTION AND CHOREOGRAPHY:Reproduce the exact actions, body movements, choreography, poses, timing, rhythm, and synchronization from the original reference video.The surrounding crowd must perform the same synchronized group movements and synchronized deep bowing actions shown in the reference video.The central main character must perform only the movements of the original central character.Do not invent new gestures, movements, interactions, or choreography.IDENTITY LOCK:Keep the identity of the central character completely consistent from the first frame to the final frame.Do not change, morph, merge, distort, duplicate, or swap the central character's face.Do not replace the central character with any background character.Keep all background characters visually consistent throughout the entire sequence.CROWD CONSISTENCY:Preserve the original number, placement, spacing, formation, depth, and relative positions of the surrounding people.Do not add or remove people.Do not randomly move people between positions.Do not merge bodies or duplicate characters.MOTION LOCK:Strictly preserve the original video's motion.Preserve the exact body movements, movement direction, choreography, synchronization, pacing, rhythm, and action timing.CAMERA AND FRAMING:Keep the original camera angle, camera movement, camera position, focal length, perspective, depth of field, framing, composition, shot scale, and shot duration unchanged.Follow every original camera movement exactly.Do not introduce any new camera movement.Do not re-frame, crop, zoom, rotate, tilt, or alter the original composition unless that exact movement exists in the reference video.SCENE:Preserve the original spatial arrangement, crowd formation, foreground-background relationship, and scene geometry.Maintain natural lighting, realistic shadows, realistic human anatomy, and photorealistic textures.TEMPORAL CONSISTENCY:Maintain strong frame-to-frame consistency.No flickering.No face changes.No clothing changes.No disappearing characters.No duplicated people.No warped hands or limbs.No sudden changes in body proportions.FINAL REQUIREMENT:The final video must follow the reference video's original motion, choreography, timing, crowd formation, camera work, and editing as closely as possible, while changing only the visual identities specified by Character Reference 1 Image 1 and Character Reference 2 Image 2