FURVERT!

animal_genitalia animal_penis anthro athletic athletic_anthro athletic_male avian balls bars bdsm biceps big_balls big_penis bird bite black_balls black_body black_fur black_hair black_penis bondage bound brick brick_wall broken_chain chain clenched_teeth crouching cuff_(restraint)danny_ashbeck_jr.dominant dungeon duo equid equine equine_genitalia equine_penis evil_grin femboy flared_penis front_view frottage frown fur genitals grey_body grey_fur hair hi_res horse humanoid_genitalia humanoid_penis imminent_anal inside it'll_never_fit larger_dom larger_male male male/male mammal mane medial_ring muscular muscular_anthro muscular_male nipple_fetish nipple_pinch nipple_play nipples open_mouth patreon penile penis penis_size_comparison penis_size_difference penises_touching pinch prison_bars prison_cell red_body red_eyes red_fur restraints saggy_balls sex shackled shackles size_difference smaller_male smile snout spread_legs spreading striped_body striped_fur stripes teeth tongue tongue_bite twstacker twstacker_(character)vein veiny_penis wall_(structure)watermark white_body white_fur