(((masterpiece))), (((best quality))), ((ultra-detailed)), (best illustration

$(((masterpiece))), (((best quality))), ((ultra-detailed)), (best illustration), (best shadow), ((an extremely delicate and beautiful)), official art, (artbook), extremely detailed 4k CG, original, (extremely detailed CG unity 8k wallpaper:1.1), (photorealistic), (illustration:1.1), (star_night, starry_sky, cyberpunk, water_splashing, deep_ocean,:1.5), mizuki $arknights$, (a detailed boy:1.2), 10 years old boy, (male child:1.2), smile, looking up at the sky, exposed belly, exposed arm, (+++perfect hand+++:1.2),$