masterpiece, best quality, ultra-detailed, illustration, 1girl, 4 fingers and 1 thumb, perfect hands, (SakiTI + Black Hair + Glasses + twin braids), solo, candid photography, young, confident, energetic, happy expression, black sailor school uniform, black shoes, backpack, walking to school, city sidewalk, skyscrapers in the background, pedestrians, signs, storefronts, autumn leaves, clear blue sky,