FURVERT!

5_fingers anal anal_penetration anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro avian ball_size_difference balls bdsm beak biped black_body black_feathers bondage bound claws digitigrade dominant duo erection feathered_wings feathers feet fingers foot_fetish foot_on_penis foot_play genital_piercing genitals glans gryphon hi_res humanoid_genitalia humanoid_penis knot larger_dom male male/male male_penetrated male_penetrating male_penetrating_male mythological_avian mythological_creature mythology nipples non-mammal_nipples penetration penile penile_penetration penis penis_in_ass penis_piercing penis_size_difference piercing pink_penis sex size_difference smaller_penetrated twstacker twstacker_(character)wings zerva_von_zadok_(capesir)