5girls, :3, :d, ball, barefoot, beach, beachball, bikini, blonde_hair, breasts, brown_eyes, cleavage, day, flower, foreshortening, green_eyes, hair_flower, hair_ornament, halterneck, head_wreath, hug, hug_from_behind, innertube, jewelry, light_brown_hair, lipps_(idolmaster), long_hair, medium_breasts, multi-strapped_bikini, multiple_girls, navel, necklace, o-ring, o-ring_bottom, open_mouth, outdoors, outstretched_arm, parted_lips, pink_hair, purple_eyes, purple_hair, short_hair, short_shorts, shorts, sidelocks, sitting, smile, strapless, sunlight, swimsuit, tube_top, twintails, two_side_up, wariza