1girl, ahoge, beach, bikini, black_hair, bracelet, brown_eyes, crop_top, flower, gherehg, hair_flower, hair_ornament, idolmaster, idolmaster_cinderella_girls, jewelry, kohinata_miho, looking_at_viewer, lying, navel, on_back, see-through, shallow_water, short_hair, solo, stomach, string_bikini, striped, striped_bikini, swimsuit, thighs, water, wet, wet_clothes