High resolution, Super detailed, Best Quality, masterpiece, 8K, 4K, beautiful background, the best aesthetics, underwater, BREAK , 1girl, 17yo,long hair, brown hair, brown eyes, half up,school uniform, hair bow,happy smile,full body,with loafers,with white socks,blue blazer,full clothes,back scene,swimming, BREAK , surrounded by tropical fish, coral reef, bubbles, underwater scene, diffused sunlight, caustics, bluish tint, soft shadows, slightly desaturated colors, underwater haze, floating particles, subsurface scattering, refracted light, soft contrast, natural lighting,