3girls, arms_behind_back, bangs, clenched_hand, closed_eyes, comic, folded_ponytail, greyscale, hair_ornament, hairclip, hat, indoors, lightning_bolt_hair_ornament, lightning_bolt_symbol, long_sleeves, monochrome, multiple_girls, neckerchief, open_mouth, pleated_skirt, school_uniform, serafuku, shelf, short_hair, short_sleeves, skirt, smile, speech_bubble, table, upper_body