1girl, animal_ears, atsuko_(blue_archive), blue_archive, blush, boots, braid, bulletproof_vest, cat_ears, gloves, halo, hood, hooded_jacket, jacket, looking_at_viewer, low_twintails, medium_hair, red_eyes, ribbon, simple_background, sitting, solo, tongue, tongue_out, twin_braids, twintails, urotsuki_(2013.04), white_background