1girl, alternate_costume, animal_ear_fluff, animal_ears, bare_legs, blue_archive, bottle, buruma, cat_ears, full_body, greyscale, gym_uniform, hair_between_eyes, hair_ribbon, holding, holding_bottle, long_hair, looking_at_viewer, lpleader, monochrome, parted_lips, ribbon, serika_(blue_archive), shoes, short_sleeves, simple_background, solo, standing, standing_on_one_leg, twintails, very_long_hair, white_background