e621 abs anal anal_penetration anthro balls bear biceps big_muscles big_penis bound chain claws duo erection fangs feline fur hair interspecies leaking male male/male male_penetrating mammal markings muscular muscular_male nipples nude pecs penetration penis raised_leg sex standing stripes tiger unknown_artist vein

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The current source is no longer available. Is there possibly another way to get the artist's name?