Rule 34 Dev - anal anal_penetration anthro barcode blush bodily_fluids catheter clothing cum cum_in_ass cum_in_mouth cum_inside dialogue genital_fluids genitals group interrobang knot latex latex_clothing latex_skinsuit lock_symbol male male/male male_penetrated male_penetrating male_penetrating_male medical_instrument null_bulge penetration penis pinch pinching_another rubber_clothing scientific_instrument sex skinsuit solo_focus sound_effects species_transformation speech_bubble text thigh_pinch tight_clothing tracheal_tube transformation tube heartbeats avian bird canid canine canis domestic_dog mammal 2020 english_text hi_res|11266248105