FURVERT!

animal_genitalia balls bear bladder bladder_bulge bladder_inflation bladder_penetration bodily_fluids brown_bear cum digital_media_(artwork)fingering genital_fluids genital_focus genitals grizzly_bear half-erect hdyly hi_res internal kuruk_(character)male mammal masturbation mouth_shot multiple_poses multiple_positions non-euclidean_masturbation non-euclidean_sex open_mouth organs orgasm orgasm_face penetration penile penile_penetration penis penis_in_bladder portal portal_masturbation portal_ring portal_sex pose precum prostate prostate_orgasm prostate_penetration prostate_play prostate_stimulation semi-anthro sex sheath solo thinking_with_portals urethral urethral_bulge urethral_fingering urethral_masturbation urethral_penetration urine urine_on_ground urine_pool urine_stream ursine