Rule 34 Dev - absurdres arms_behind_back bdsm belly bondage bound bound_arms bound_legs collarbone gag gagged highres improvised_gag kaguya-sama_wa_kokurasetai_~tensai-tachi_no_renai_zunousen~ midriff navel rope shirogane_kei tape tape_gag tied_up_(nonsexual) tiedtiki|23950061811