4girls, ^_^, black_hair, blue_eyes, blush, brown_hair, closed_eyes, fang, folded_ponytail, grey_eyes, hair_ornament, hairclip, hat, looking_at_viewer, machinery, multiple_girls, neckerchief, open_mouth, red_neckwear, school_uniform, serafuku, sideways_glance, smile, upper_body, v