FURVERT!

4_toes 5_fingers anthro balls bear blueballs bodily_fluids canid canine cock_transformation cum duo emitting_cum feet fingers fox genital_fluids genitals hybrid male male/male mammal masturbation merging open_mouth orgasm outside penile penile_masturbation penis sentient_penis sitting slightly_chubby smile story story_at_source story_in_description toes transformation