Rule 34 Dev - 2013 2boys blue_penis blue_skin blue_testicles canine clothed clothed_sex clothing doberman dragon erection fellatio furry gay grin head_grab horn huge_cock humanoid_penis javkiller licking male male_only no_humans nude office open_pants oral pants penetration penis room scalie sheath sitting sky spread_legs spreading teeth testicles tongue veins veiny_penis window|1568030088