chitanda eru, oumae kumiko, alisa mikhailovna kujou, and shiina mahiru (hibike! euphonium and 3 more) drawn by n17

4girls alisa_mikhailovna_kujou arms_behind_back ball_gag bdsm black_hair black_shirt black_skirt blazer blonde_hair blue_eyes blurry blush bondage bound bound_ankles bound_arms bound_legs bound_thighs bound_torso bound_wrists bow bowtie box_tie breasts brown_eyes brown_hair brown_pantyhose brown_serafuku brown_shirt brown_skirt buttons chitanda_eru collared_shirt commentary_request crossed_bangs curtains dot_nose double-breasted full_body gag gagged grey_hair grey_jacket hair_between_eyes hair_ribbon hibike!euphonium highres hyouka indoors jacket kamiyama_high_school_uniform(hyouka) kitauji_high_school_uniform kneehighs loafers long_hair long_sleeves looking_at_viewer lying miniskirt multiple_girls n17 neckerchief open_clothes open_jacket open_mouth otonari_no_tenshi-sama_ni_itsu_no_mani_ka_dame_ningen_ni_sarete_ita_ken oumae_kumiko panties panties_under_pantyhose pantyhose plaid_clothes plaid_skirt pleated_skirt purple_eyes red_bow red_bowtie red_neckerchief red_rope restrained ribbon rope sailor_collar school_uniform seiren_academy_school_uniform serafuku shibari shibari_over_clothes shiina_mahiru_(otonari_no_tenshi-sama) shirt shoes short_hair sitting skirt smile socks solo thighband_pantyhose thighhighs thighs tokidoki_bosotto_roshia-go_de_dereru_tonari_no_alya-san underwear very_long_hair white_sailor_collar white_shirt white_socks white_thighhighs winter_uniform yellow_eyes