1girl, armpit_crease, blush, bra, breasts, brown_hair, cleavage, clothes_lift, clothes_pull, collarbone, condom, condom_in_mouth, condom_wrapper, couch, dress, dress_lift, dress_pull, embroidered_bra, embroidered_panties, green_bra, green_panties, heart, idolmaster, idolmaster_cinderella_girls, indoors, kasumi_seiki, leaning_back, lifted_by_self, looking_at_viewer, medium_breasts, mouth_hold, nitta_minami, on_couch, panties, sitting, solo, straight_hair, underwear