In Pixar Cartoon style: Create a whimsical scene: Below the towering waves of an underwater city, a brave young mermaid adorned in a mermaid princess attire with a swaying tail dreams of adventure beyond the confines of her underwater home, embarking on an exciting quest to discover her true destiny amidst a world teeming with animated sea life and colorful characters. Background of underwater city An animated Pixar Cartoon style.