3D animated video: A cute chibi baby girl (blue bob hair, white-yellow heart outfit) rides a playful spotted deer on a mossy tree branch (string light decor, clear sky, lush backdrop). The deer starts with slow, gentle steps—its hooves tap softly on the branch (making tiny lightbulb-shaped sparkles drift), and the scene glows warmer with the string lights’ glow. It then accelerates into a lively dash (trotting quickly forward along the branch): its body blurs with motion to highlight speed, the soft brown fur shimmers dynamically, and faint leaf-particle trails scatter in its wake. As it moves, the deer continuously blows a steady stream of glowing lightbulb-shaped bubbles (matching the decor) that drift upward, wobbling gently with the breeze, before popping softly (releasing tiny cozy-themed glitter). The baby girl sits steadily on the deer’s back, outfit fluttering slightly, feet dangling above the branch, and a bright smile as they dash through the cheerful tree-branch scene. Animation style: vibrant, whimsical, hyper-dynamic—add motion blur to the deer and floating bubbles; bubbles sync with the dash rhythm. 12-second clip, 4K, 60fps (ultra-smooth, tree-branch dash with playful, warm interactions).