Rule 34 Dev - arms_behind_back arms_tied_behind_back bondage bound_ankles butterfly_hair_ornament demon_slayer female female_only gag gagged hair_ornament high_resolution kimetsu_no_yaiba kochou_shinobu looking_at_viewer multicolored_hair oirin purple_eyes restrained sock_gag solo stuff_gag two-tone_hair very_high_resolution|5905560672