FURVERT!

alien alien_humanoid anthro arched_back blush bovid_horn breath caprine_horn fan_character featureless_chest female fur hair horn humanoid invader_zim long_legs long_tail looking_pleasured masturbation monochrome narrowed_eyes neck_floof neck_tuft nickelodeon pubes ram_horn shaking shaky_legs simple_background sketch slim small_waist solo tail tail_tuft thick_claws thick_thighs trembling tuft unknown_artist vortian white_background