FURVERT!

alien alien_humanoid antennae_(anatomy)bodily_fluids clothing comic cum dib_membrane duo erection fellatio forced gag gagged genital_fluids genitals hi_res hiv human humanoid invader_zim irken male male/male male_penetrated male_penetrating male_penetrating_male mammal nickelodeon open_mouth_gag oral penetration penile penis plug_gag ring_gag sex unknown_artist zim_(invader_zim)