FURVERT!

3_fingers against_surface against_wall alien alien_humanoid antennae_(anatomy)blush clothed clothing dib_membrane duo erection exclamation_point eyewear facial_piercing fingers genitals glans glasses green_body green_skin handjob hi_res human humanoid humanoid_genitalia humanoid_penis invader_zim irken licking male male/male mammal moan neck_lick nickelodeon nose_piercing open_mouth pak penile penis piercing septum_piercing sex smile tongue tongue_out zim_(invader_zim)zimulator_(artist)