Children book cover, masterpiece, mid shot, highly detailed, concept art, oil painting, gouache, har…

"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,"