Koshigaya natsumi (Non Non Biyori),brown hair,blue eyes,ponytail,red neck ribbon,school uniform,sweater vest,black skirt,black socks,brown loafers,school bag,1girl,look at viewer,upper body,grin,(masterpiece,best quality,newest),highres,absurdres,safe,ultra detailed,detailed background,high resolution,8k,16k,perfect eyes.

(worst quality,low quality,bad quality),normal quality,lowres,signature,logo,username,bad hands,mutated hands,ambiguous form,muscular,bad anatomy,low resolution,jpeg artifacts,error,bad-artist,bad face,bad eyes,school patch