anthro bodily_fluids body_writing bondage bondage_gear bondage_gloves bovid bovine censor_bar censored chains chastity_cage chastity_device clothing collar cuff_(restraint) dripping drooling duo facial_piercing from_behind_position gag gagged genital_fluids gloves half-closed_eyes handwear harness hi_res korosuke leaking leaking_precum leash male male/male mammal muscular narrowed_eyes nose_piercing nose_ring nose_ring_pull piercing piercing_pull precum precum_drip restraints ring_gag ring_piercing saliva sex side_view standing standing_sex submissive submissive_male tongue tongue_out