Generate a doppelganger video: maintain completely consistent facial features, do not alter facial features or face shape, no beautification. Style reference Kamen Rider BLACK SUN, realistic dark style, biological technology and alien technology aesthetic, oppressive and heavy atmosphere. Pre-transformation look: black leather trench coat + black shirt, bangs covering the forehead, forehead not exposed, gloomy and steady. Belt: alien energy core, no toy-like feeling. Scene: cloudy outdoor open ground, gray-blue sky, windy.
帮我生成分身视频：保持脸部完全一致，不改变五官和脸型，不美化。 风格参考仮面 BLACK SUN，写实暗黑，生物科技与外星科技感，压抑沉重。 变身前造型：黑色皮质风衣＋黑衬衫，刘海遮额，不露额头，阴郁沉稳。 腰带：图了，异形能量核心，无玩具感。 场景：阴天户外空地，灰蓝天空，有风。
