FURVERT!

1:1 alien alien_humanoid anal antennae_(anatomy)blush bodily_fluids clothing cum dialogue drawnbykat_(artist)drooling duo english_text erection eyewear genital_fluids genitals glasses hi_res humanoid invader_zim irken larger_male machine male male/male male_penetrated male_penetrating male_penetrating_male mammal nickelodeon not_furry penetration penis pleased saliva sex sex_toy size_difference sizz-lorr smaller_male smile source_request speech_bubble text tongue tongue_out zim_(invader_zim)