absurd_res alien alien_genitalia anus blackmesajoe_(artist) bodily_fluids bullsquid butt cave colored_cum cum erection feral genital_fluids genitals green_cum half-life heart_symbol hi_res looking_at_viewer male monster nude outside penis pond presenting presenting_hindquarters puffy_anus purple_sclera reptile scalie slime solo space tapering_penis tentacles unusual_bodily_fluids unusual_cum unusual_genital_fluids valve valve_corporation xen_(half-life) xen_(setting) xenophilia
2016 alien ambiguous_gender armor blackmesajoe_(artist) bodily_fluids clothing duo erection fellatio first_person_view genitals gordon_freeman half-life heart_symbol hi_res human interspecies kingpin_(species) lying male male/ambiguous male_penetrating male_pov mammal monster not_furry on_back oral oral_penetration outside penetration penile penis saliva sex slime solo_focus tentacles unusual_anatomy unusual_genitalia valve valve_corporation xen_(half-life) xen_(setting) xenophilia
2016 alien ambiguous_gender armor blackmesajoe_(artist) bodily_fluids clothing cum cum_everywhere cum_in_mouth cum_inside cum_on_penis duo erection genital_fluids genitals gordon_freeman half-life heart_symbol hi_res human interspecies kingpin_(species) leaking_cum lying male male/ambiguous male_penetrating mammal messy monster not_furry on_back oral oral_penetration orgasm outside penetration penis saliva sex solo_focus tentacles valve valve_corporation xen_(half-life) xen_(setting) xenophilia
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