Rule 34 Dev - age_difference balls blush canid canine cel_shading claws clothed clothing drooling duo enookie erection eye_contact father father_and_son fedora fellatio fox furry hat headgear headwear hi_res humanoid_penis incest kaiketsu_zorori licking looking_at_another lying male mammal nude on_back oral parent partially_clothed partially_retracted_foreskin penile penis penis_lick saliva sex simple_background size_difference smile son son_blowing_dad tongue tongue_out uncut whiskers white_background yaoi zorondo_ron zorori|3548315272