1girl, 3, ashinagi_(bijutu1), bikini, black_hair, blush, breasts, cleavage, clothes_in_mouth, flower, furrowed_brow, hair_flower, hair_ornament, heart, heart-shaped_pupils, idolmaster, idolmaster_cinderella_girls, kohinata_miho, medium_breasts, mouth_hold, navel, outdoors, shirt, shirt_in_mouth, short_hair, side-tie_bikini_bottom, sky, solo, stomach, swimsuit, symbol-shaped_pupils, wet, wet_clothes, wet_shirt, white_shirt, yellow_eyes