koya (koya x 00), kurokawa chiaki, idolmaster, idolmaster cinderella girls, commentary request, commission, highres, pixiv commission, translation request, 1girl, arm under breasts, bite mark, bite mark on arm, bite mark on breast, black bra, black dress, black hair, blunt bangs, bra, breasts, breath, cleavage, clothed after sex, collarbone, double strap slip, dress, hickey, huge breasts, jewelry, lace, lace-trimmed bra, lace trim, long hair, looking at viewer, necklace, pov, solo, straight hair, sweat, tears, underwear, upper body, very long hair