FURVERT!

animal_genitalia animal_penis avian ball_gag bdsm beak black_and_white bondage bound bridle equine_genitalia equine_penis erection faithry feathered_wings feathers feral fully_bound gag gagged genitals gryphon harness line_art male monochrome mythological_avian mythological_creature mythology nude penis simple_background solo submissive submissive_male tail tail_tuft tuft unknown_artist white_background wings