3girls, ^_^, ^o^, ball, beachball, bikini, black_hair, blonde_hair, blue_sky, blush, breasts, brown_hair, cleavage, closed_eyes, collarbone, day, frilled_bikini, frills, groin, hachimiya_meguru, hal_ogura, halterneck, hugging_object, idolmaster, idolmaster_shiny_colors, illumination_stars_(idolmaster), kazano_hiori, looking_at_viewer, mole, mole_under_mouth, multiple_girls, outdoors, outstretched_arms, print_bikini, profile, sakuragi_mano, sky, smile, striped, striped_bikini, sun, sunlight, swimsuit, wading