masterpiece, anime coloring, 1girl, izumi riko, brown reddish hair, twintails, blue eyes, jitome, serafuku, white shirt, red tie, sailor collar, navy blue collar, navy blue skirt, dark blue school bag, looking away, sleepy, open mouth, indoor, classroom, sitting on chair, school desk

worst quality, monochrome, noisy, cropped, bad hands, text, text bobble, haze, murkily, blurry background, clones, mutation, logo, artist signature, censored, jpeg artifacts