4girls, ball, beach, beachball, bikini, black_hair, blood, braid, breasts, brown_hair, cleavage, closed_eyes, colored_skin, day, hand_fan, happy, innertube, long_hair, medium_breasts, multiple_girls, one-piece_swimsuit, open_mouth, pale_skin, pink_hair, school_swimsuit, smile, striped, striped_bikini, striped_swimsuit, swimsuit, towel, twintails, white_skin