3girls, ass, bare_shoulders, bikini, blonde_hair, blush, casual_one-piece_swimsuit, crescent, crescent_hair_ornament, finger_in_mouth, hair_ornament, long_hair, multiple_girls, navel, no_hat, no_headwear, one-piece_swimsuit, purple_eyes, purple_hair, red_eyes, side-tie_bikini, smile, swimsuit