2girls, bangs, bare_shoulders, bikini, black_eyes, black_hair, blush_stickers, breasts, flying_sweatdrops, hair_ribbon, long_hair, long_sleeves, multiple_girls, navel, open_mouth, peeking_out, red_bikini, ribbon, school_uniform, serafuku, short_hair, side-tie_bikini, small_breasts, smile, swept_bangs, swimsuit, twintails, twitter_username, tying