1girl, ahoge, ashinagi_(bijutu1), beach, bikini, bikini_skirt, black_hair, breasts, cleavage, idolmaster, idolmaster_cinderella_girls, kohinata_miho, leaning_forward, medium_breasts, navel, ocean, outdoors, parasol, pleated_skirt, short_hair, skirt, sky, stomach, swimsuit, umbrella, white_bikini, yellow_eyes