FURVERT!

after_transformation anal anal_penetration animal_genitalia animal_penis arousal_focus aroused aroused_by_another balls blush bodily_fluids canid canine canine_genitalia canine_penis canis claws clothing comic domestic_dog erection eyes_closed fur fur_growth genital_transformation genitals growth heart_eyes heart_symbol hi_res human humanoid_genitalia humanoid_penis looking_pleasured male male/male male_penetrated male_penetrating male_penetrating_male mammal mustelid nude open_mouth otter penetration penile penile_penetration penis rileyomalley saliva sex snout snout_growth species_transformation tail_burst tail_growth_in_pants tongue tongue_out torn_clothing transformation transformation_sequence transformation_through_magic