Cinematic Product Video Prompt for Keychain Style Portrait

A detailed JSON-formatted prompt designed for the Gemini AI Nano Banana 3 Pro to create a cinematic product-style video advertisement. The video features a keychain as the hero product, protected by a tiny, tough figurine bodyguard in a high-end studio setting, utilizing macro close-ups and smooth camera movements to achieve a humorous yet sleek aesthetic. Via YouMind OpenLab prompt library (MIT).