alien alien_grunt_(half-life) anal anal_penetration blackmesajoe_(artist) blush bodily_fluids clothed clothing container containment_tube duo erection first_person_view genitals gordon_freeman half-life handjob happy heart_reaction heart_symbol hi_res human humanoid humanoid_genitalia humanoid_penis inside interspecies looking_at_viewer lying male male/male male_penetrated male_penetrating male_penetrating_male mammal on_back penetration penile penis platform_sex realistic saliva sex standing standing_sex table_lotus_position teratophilia tongue tongue_out tube valve valve_corporation vein veiny_penis xenophilia
alien alien_grunt_(half-life) anal anal_penetration blackmesajoe_(artist) blush bodily_fluids clothed clothing colored_cum container containment_tube cum cum_inside duo erection excessive_cum excessive_genital_fluids faceless_character faceless_male first_person_view genital_fluids genitals glans gordon_freeman green_cum half-life handjob happy heart_symbol hi_res human humanoid humanoid_genitalia humanoid_penis inside interspecies looking_at_viewer lying male male/male male_penetrated male_penetrating male_penetrating_male mammal on_back penetration penile penis platform_sex realistic saliva sex standing standing_sex table_lotus_position teratophilia tongue tongue_out tube unusual_bodily_fluids unusual_cum unusual_genital_fluids valve valve_corporation vein veiny_penis xenophilia
abs alien alien_controller alien_genitalia alien_grunt_(half-life) alien_humanoid anal anal_penetration animal_genitalia anus armor being_watched berububs big_penis bodily_fluids bottomwear bottomwear_aside bracelet clothed clothing clothing_aside collar cum cum_in_ass cum_inside dominant dominant_male dripping duo erection forced from_behind_position genital_fluids genital_slit genitals half-life humanoid interspecies jewelry loincloth loincloth_aside loincloth_only looking_at_another looking_back looking_pleasured male male/male male_penetrated male_penetrating male_penetrating_male masturbation mostly_nude multi_eye multi_limb muscular muscular_dom muscular_male muscular_top nude open_mouth open_smile pain partially_clothed penetration penile penile_masturbation penis penis_size_difference precum precum_drip precum_string prodding puffy_anus questionable_consent rape red_bottomwear red_clothing red_eyes red_loincloth saliva screaming sex shallow_penetration sky slave smile smoke space submissive submissive_male teeth topless topless_male valve valve_corporation vortigaunt vortigaunt_slave voyeur xen_(half-life)
absurd_res alien alien_ant_beast alien_grunt_(half-life) armor bent_over big_butt bottomless butt butt_focus clothed clothing da_polar_inc female half-life hi_res humanoid looking_at_viewer looking_back looking_back_at_viewer not_furry portrait presenting presenting_hindquarters solo three-quarter_portrait three-quarter_view valve valve_corporation xenotherium_myrmex
absurd_res alien_grunt_(half-life) anthro bottomwear breasts canid canine cleavage clothed clothing confusion dialogue duo english_text eyewear female fox glasses gordon_freeman half-life headcrab hi_res human humor jewelry krystal_(star_fox) loincloth looking_down male mammal necklace nihilanth nintendo peppertoasty star_fox text valve valve_corporation vortigaunt
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