3girls, ahoge, arms_up, bikini, black_hair, breasts, brown_eyes, brown_hair, flower, frilled_bikini, frills, green_bikini, hair_flower, hair_ornament, idolmaster, idolmaster_cinderella_girls, igarashi_kyoko, kohinata_miho, large_breasts, long_hair, medium_breasts, multiple_girls, natsuya_(natuya777), navel, ocean, one_eye_closed, open_mouth, outdoors, pink_bikini, see-through, shimamura_uzuki, shirt, short_hair, short_sleeves, side-tie_bikini_bottom, smile, stomach, string_bikini, swimsuit, tied_shirt, wet, wet_clothes, wet_shirt, white_shirt, yellow_bikini