FURVERT!

ambiguous_gender anal anthro avian back_muscles bald beak big_butt butt dominant duo faceless_character faceless_male facesitting feathers greyscale gryphon head_between_buttocks hi_res human human_on_anthro interspecies killioma larger_anthro larger_dom larger_male looking_back male mammal monochrome muscular muscular_male mythological_avian mythological_creature mythology oral rimming sex sitting sitting_on_another size_difference smaller_human smaller_male