6+girls, akagi_iruka, beach, beach_umbrella, bikini, blush, breasts, brown_hair, cleavage, collarbone, dutch_angle, idolmaster, idolmaster_cinderella_girls, large_breasts, light_smile, looking_at_viewer, mifune_miyu, multiple_girls, navel, outdoors, red_eyes, shade, solo_focus, sweatdrop, swimsuit, umbrella, white_bikini