FURVERT!

anal anthro balls bdsm bison blue_body blue_fur bondage bound bovid bovine brick brick_wall brown_eyes chest_tuft clenched_teeth cuff_(restraint)dominant dominant_male duo erection extreme_size_difference facial_piercing fur genitals hi_res horn humanoid_genitalia humanoid_penis justmegabenewell kraven_lupei larger_sub male male/male male_penetrated male_penetrating male_penetrating_male mammal masturbation muscular muscular_male muscular_sub muscular_top nipples nose_piercing nose_ring penetration penile penile_masturbation penis penis_riding piercing red_eyes restraints ring_piercing septum_piercing sex shackles sitting_on_penis size_difference spots standing submissive submissive_male teeth tuft vein wall_(structure)