2girls, a_kun, azumanga_daioh, azumanga_daioh's_school_uniform, black_hair, blue_one-piece_swimsuit, brown_eyes, brown_skirt, closed_mouth, cowboy_shot, cropped_legs, dual_persona, flat_chest, flat_color, hands_on_own_chest, kasuga_ayumu, lowered_eyelids, multiple_girls, narrowed_eyes, new_school_swimsuit, one-piece_swimsuit, pale_color, pink_serafuku, pink_shirt, pleated_skirt, red_shirt, sailor_collar, school_swimsuit, school_uniform, serafuku, shirt, short_hair, simple_background, skirt, smile, standing, swimsuit, upturned_eyes, white_background, white_sailor_collar, winter_uniform