4:3aged_upalienalien_humanoidanalanal_fingeringantennae_(anatomy)blushbodily_fluidsbuttcuff_(restraint)cumdib_membranedildoduofingeringfingering_partnerforcedgenital_fluidshumanhumanoidinvader_zimirkenlow_resmalemale/malemale_penetratedmale_penetratingmale_penetrating_malemammalnickelodeonnot_furrypenetrationrestraintssexsex_toyshacklessharp_teethteethunknown_artistzim_(invader_zim)