Rule 34 Dev - 2015 4_toes 5_fingers abs age_difference animal_genitalia animal_penis anthro anthro_on_anthro arch_noven athletic ball_fondling ball_lick balls black_hair black_nose blush body_hair canine canine_penis claws closed_eyes comic cutaway day detailed_background dialogue duo english_text erection father father_and_son fellatio fondling fully_sheathed fur grey_fur hair happy_trail hi_res incest inside kal_noven knot knot_grab licking looking_up male mammal nuzzling oral parent penis penis_tip pet_praise precum pubes red_eyes saliva sex sheath sheath_lick sitting smile sofa son speech_bubble teeth text toe_claws toes tongue tongue_out wolf yaoi yellow_eyes yorutime|2717634592