Rule 34 Dev - 2016 4_toes animated anthro arctic_wolf balls big_penis black_and_white canine claws deep_throat duo erection fellatio fluffy_tail fur furry fuzzamorous group17 hair humanoid_penis line_art long_penis long_tail loop male mammal monochrome nude oral oral_penetration pawpads penetration penis scar sex simple_background stool toe_claws toes white_background wolf yaoi zealraegus|2225074192