FURVERT!

anthro anus ass_up auto_penis_lick autofellatio backsack balls biped blue_eyes butt canid canine canis circumcised domestic_dog erection fur genitals hair humanoid_genitalia humanoid_penis licking male mammal masturbation nude oral oral_masturbation penile penile_masturbation penis raised_tail self_lick smile solo tail tongue tongue_out yuguni yuguni_(yuguni)