Children book cover, masterpiece, mid shot, highly detailed, concept art, oil painting, gouache, hard brush, An engaging scene featuring a group of diverse kids, deep sea full of Koi fishes, working together to solve a puzzle in an underwater city, Include a mix of charming moments of cooperation, problem-solving, and discovery, while showcasing the rich and imaginative environment of the city, award winning, gibli inspired, kidz, pastelmix
