all_fours anal anal_penetration anthro balls belly blush bound buckteeth chain chipp claws clenched_teeth collar cum cum_while_penetrated cumshot demon dungeon duo ejaculation emenius erection forced fur half-closed_eyes hands-free horn long_penis male male/male mammal membranous_wings monochrome open_mouth orgasm penetration penis rape rat rodent sex shackles size_difference slightly_chubby teeth thick_thighs tongue tongue_out whiskers wings