1girl, ass, black_bra, black_panties, blue_eyes, bra, breasts, brown_hair, cleavage, ichinose_shiki, idolmaster, idolmaster_cinderella_girls, indoors, lace-trimmed_bra, lace-trimmed_panties, lace_trim, large_breasts, leaning_forward, lingerie, long_hair, looking_at_mirror, looking_at_self, mansu_(user_pnmp4287), mirror, panties, reflection, underwear, underwear_only, wavy_hair