Dynamic abstract animation of chaotic white hand-drawn scribble/doodle lines moving and revealing on a dark black background, featuring a central white play button icon with alpha channel transparency. Ideal for video intros, overlays, thumbnails, horror/mystery effects, artistic transitions, social media promos, or grunge-style motion graphics. Unique hand-sketched feel, short duration for looping, high-quality 4K resolution, perfect for creative video editors.