High resolution, Super detailed, Best Quality, masterpiece, 8K, 4K, beautiful background, the best aesthetics, BREAK amamiya kokoro (nijisanji), 1girl, (solo1.2), 15yo, virtual youtuber,(blue hair, long hair, two-side up, ahoge, swept bangs, black beret, x hair ornament, hair bell, brack hair ribbon), (yellow eyes, beautiful detailed eyes, beautiful detailed iris, highlights eyes, eyelashes, hair between eyes), looking at viewer, (light blue dress, puffy sleeves, long sleeves, blue neck ribbon, frill skirt, black trim skirt, zettai-ryouiki, white thighhighs, thigh strap, official alternate costume), mini wings,full body,full clothes,swimming wear black loafers, 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,