3girls, animal_ears, back-to-back, black_legwear, black_neckwear, black_sailor_collar, blue_background, brown_eyes, brown_hair, chibi, clipboard, clone, dog_ears, dog_tail, dress, labcoat, looking_at_viewer, multiple_girls, neckerchief, sailor_collar, sailor_shirt, school_swimsuit, shirt, short_hair, swimsuit, swimsuit_under_clothes, tail