2girls, o, >_<, amamiya_aki, amamiya_mei, animal_ear_fluff, animal_ears, ball, bare_arms, bare_shoulders, barefoot, beachball, bikini, blonde_hair, blue_bikini, blue_eyes, blush, chibi, closed_mouth, ears_down, hair_ornament, hairclip, hands_up, innertube, knees_up, long_hair, low_twintails, mofu-mofu_after_school, mofumofu_channel, multiple_girls, open_mouth, p19, pink_hair, purple_eyes, simple_background, smile, swimsuit, tail, twintails, very_long_hair, white_background, x_hair_ornament