((masterpiece)),(best quality),official art,extremely detailed CG,unity 8k wallpaper,ultra detailed,beautiful detailed eyes,extremely detailed face,classroom,1girl,solo,upper body,(portrait:1.5),looking at viewer,facing viewer,smile,Kuuko,ahoge,very long hair,grey hair,hair ornament,sidelocks,bangs,yellow eyes,collarbone,white sailor collar,sailor dress,blue dress,short sleeves,white socks,loafers,<lora:Kuuko(sin)>,