1girl, bath, black_panties, blush, bow, bow_panties, breasts, holding, holding_clothes, holding_panties, holding_underwear, indoors, looking_at_viewer, medium_breasts, naked_towel, open_mouth, otonari_no_tenshi-sama_ni_itsu_no_mani_ka_dame_ningen_ni_sarete_ita_ken, panties, seraphina, shiina_mahiru_(otonari_no_tenshi-sama), smile, solo, towel, underwear, unworn_panties, white_panties, yellow_eyes