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2013 alien alien_(franchise) areola big_breasts biped bodily_fluids breast_play breasts conditional_dnp cum cum_on_breasts digital_media_(artwork) duo erect_nipples erection fellatio female female_focus female_on_human female_penetrated first_person_view genital_fluids genitals heart_symbol human human_on_humanoid human_penetrating human_penetrating_humanoid humanoid humanoid_penetrated inner_mouth interspecies male male/female male_on_humanoid male_penetrating male_penetrating_female mammal nipples not_furry nude oral oral_penetration penetration penile penis sex sharp_teeth smile solo_focus teeth titfuck tongue_mouth xenomorph xenophilia zp92

4:5 anus balls bestiality blue_body blue_fur breasts cozamalotl duo erection female female_on_feral female_penetrated feral feral_penetrating feral_penetrating_human from_behind_position fur genitals human human_on_feral human_penetrated interspecies knot knotting male male/female male_on_human male_penetrating male_penetrating_female mammal monster nude open_mouth penetration penile penile_penetration penis penis_in_vagina purple_tongue sex tongue vaginal vaginal_knotting vaginal_penetration vulva worstbad xenophilia

16:9 3d_(artwork) 3d_animation alien alien_(franchise) animated balls big_breasts big_penis breasts cavafly01 digital_media_(artwork) duo erection eyeless female female_on_human female_on_top female_penetrated flash genitals human human_on_humanoid human_penetrating human_penetrating_humanoid humanoid humanoid_penetrated interspecies long_penis male male/female male_on_bottom male_on_humanoid male_penetrating male_penetrating_female mammal nipples no_sound on_bottom on_top penetration penile penile_penetration penis penis_in_vagina reverse_cowgirl_position sex vaginal vaginal_penetration widescreen xenomorph xenophilia

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2014 alien alien_(franchise) anal anal_penetration clothed clothing duo erection female female_penetrated genitals human human_on_humanoid humanoid interspecies male male/female male_penetrating male_penetrating_female mammal mario_bros monochrome nintendo not_furry nude penetration penis reverse_stand_and_carry_position rosalina_(mario) sex standing standing_sex super_mario_galaxy unknown_artist xenomorph xenophilia

2014 alien alien_(franchise) areola big_breasts biped black_body black_nipples black_skin bodily_fluids bound breast_play breasts cum cum_in_mouth cum_inside cum_on_face dark_body dark_skin duo faceless_character faceless_male female female_focus fingers first_person_view front_view genital_fluids genitals hands_tied hi_res human human_on_humanoid humanoid interspecies lying male male/female male_on_humanoid male_pov mammal meandraco nipples not_furry nude on_back penetrating_pov penis sex shaded solo_focus titfuck xenomorph xenophilia

3d_(artwork) 3d_animation alien alien_(franchise) animated balls black_body breasts capcom cavafly01 chris_redfield digital_media_(artwork) double_penetration erection fellatio female feral first_person_view flash genitals group group_sex halo_(series) human interspecies kig-yar male male/female male_penetrating mammal microsoft no_sound oral oral_penetration penetration penile penis resident_evil ruuhtian scalie sex spitroast threesome trio vaginal vaginal_penetration xbox_game_studios xenomorph xenophilia

2012 absurd_res alien bestiality breasts dominant duo erection eyes_closed female female_on_feral female_penetrated feral feral_penetrating feral_penetrating_human genitals hair hi_res human human_on_feral human_penetrated interspecies larger_dom larger_male male male/female male_on_human male_penetrating male_penetrating_female mammal meandraco monster nipples on_bottom on_top penetration penile penile_penetration penis penis_in_vagina reverse_cowgirl_position sewer sex size_difference slime smaller_female smaller_penetrated teratophilia vaginal vaginal_penetration vulva xenophilia

3d_(artwork) 3d_animation against_surface against_wall alien alien_humanoid animated animated_gif bent_over blizzard_entertainment digital_media_(artwork) duo female female_on_humanoid from_behind_position genitals human human_on_humanoid humanoid interspecies leeterr low_res male male/female male_on_human mammal neck_grab not_furry penis protoss sarah_kerrigan sex short_playtime starcraft terran xenophilia zeratul_(starcraft)

1:1 anal anal_penetration anthro anthro_on_feral anus ass_up backsack balls bestiality black_border bodily_fluids border breasts canid canine canis clothed clothing condom cum cum_inside erection feet female female_on_feral feral feral_penetrating filled_condom from_behind_position gastropod genital_fluids genitals greyscale group hi_res hindpaw interspecies jolene_illios knot latex male male/female mammal mollusk monochrome monster nude oddbird pawpads paws penetration penile penile_penetration penis saliva sex sexual_barrier_device simple_background slug teratophilia tongue tongue_out unusual_anatomy unusual_genitalia unusual_penis wearing_condom white_background wolf xenophilia

2010 3_toes 4_toes alien antar_dragon anthro anus beak bodily_fluids breast_play breasts butt claws clothed clothing covering cum cum_on_face don_bluth dragon duo erection feet female genital_fluids genitals greyscale hindpaw interspecies larger_male lying male mantrin membrane_(anatomy) membranous_wings monochrome mythological_creature mythological_scalie mythology non-mammal_breasts nude open_mouth paws penis reptile scalie sex sharp_teeth shirt simple_background size_difference smaller_female smile spread_legs spreading stith tail talons teeth titan_a.e. titfuck toe_claws toes tongue tongue_out topwear wings xenophilia

0r0ch1 2014 alien alien_(franchise) blush bodily_fluids butt butt_grab clothing cum disembodied_hand disembodied_penis double_penetration erection fellatio female genital_fluids genitals group group_sex hair hand_on_butt human human_on_humanoid humanoid interspecies long_ears lying machine male male/female male_penetrating mammal not_furry on_front oral oral_penetration penetration penile penis red_hair sex spitroast threesome torn_clothing trio vaginal vaginal_penetration xenomorph xenophilia

1:1 2014 alien alien_(franchise) areola big_breasts breasts cowgirl_position duo egg erect_nipples erection female female_on_human female_on_top female_penetrated fleatrollus from_front_position genitals human human_on_humanoid human_penetrating human_penetrating_humanoid humanoid humanoid_penetrated interspecies male male/female male_on_bottom male_on_humanoid male_penetrating male_penetrating_female mammal navel nipples not_furry nude on_bottom on_top penetration penile penile_penetration penis penis_in_vagina sex smile trippy_(artist) vaginal vaginal_penetration vulva xenomorph xenophilia

16:9 2014 3d_(artwork) 3d_animation 5_fingers alien animated animated_gif anthro anthro_penetrating anthro_penetrating_human ashley_williams balls beastlyjoe bioware bouncing_balls bouncing_breasts bouncing_butt breasts butt butt_grab digital_media_(artwork) duo electronic_arts female female_on_anthro female_penetrated fingers genitals hand_on_butt hand_on_shoulder human human_on_anthro human_penetrated interspecies krogan lifted male male/female male_on_human male_penetrating male_penetrating_female mammal mass_effect nipples nude open_mouth penetration sex short_playtime urdnot_wrex vaginal widescreen xenophilia

1:1 alien alien_(franchise) ambiguous_gender ambiguous_penetrated ambiguous_penetrating anal anal_penetration balls bestiality black_hair bodily_fluids bottomless clothed clothing crotch_crab cum duo erection eyewear facehugger feral feral_penetrated feral_penetrating feral_penetrating_human fleatrollus genital_fluids genitals glasses hair human human_on_feral human_penetrated human_penetrating human_penetrating_feral intersex interspecies male male/ambiguous male_on_feral male_penetrated male_penetrating mammal nightmare_fuel parasite penetration penile penile_penetration penis penis_in_vagina sex tail tail_fetish tail_in_ass tail_insertion tail_play tail_sex trippy_(artist) vaginal vaginal_penetration what_has_science_done xenomorph xenophilia

3_balls accessory alien balls barefoot big_balls bodily_fluids bodysuit breasts brown_hair censor_removal_edit clitoris clothing duckhuntdog_(artist) english_text erection feet female female_human female_on_humanoid footwear genital_fluids genitals green_eyes group group_sex hair headband human humanoid interspecies legwear male male/female male_penetrating mammal military mind_control multi_balls multi_genitalia nipple_fetish nipple_pinch nipple_play nipples penetration penis pinch pubes purple_penis revision sectoid sex short_hair skinsuit socks soldier soles spread_legs spread_vulva spreading stirrup_socks text third-party_edit tight_clothing unzipped vaginal vaginal_fluids vaginal_penetration vein vulva warrior x-com xenophilia zipper

alien ambiguous_gender bestiality black_mesa_research_facility blackmesajoe_(artist) blood bodily_fluids clothing cum duo erection feral first_person_view genital_fluids genitals gordon_freeman half-life handjob headcrab human human_on_feral humanoid_genitalia humanoid_penis interspecies male male/male mammal nightmare_fuel penile penis sex solo_focus teratophilia valve valve_corporation xenophilia

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

2015 alien anal anal_penetration animal_genitalia animal_penis anthro anthro_penetrated balls breasts clothing digital_drawing_(artwork) digital_media_(artwork) don_bluth double_penetration equine_genitalia equine_penis erection fellatio female female_penetrated first_person_view fur genitals group group_sex hair human human_on_anthro human_penetrating human_penetrating_anthro humanoid_genitalia humanoid_penis interspecies licking male male/female male_penetrating male_penetrating_female mammal mantrin meesh nipples nude open_mouth oral oral_penetration penetration penile penile_penetration penis penis_in_ass penis_in_mouth penis_in_vagina penis_lick scalie sex stith titan_a.e. tongue tongue_out tongue_out_fellatio vaginal vaginal_penetration vein vulva xenophilia

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alien alien_(franchise) clothing duo female footwear from_front_position heel_claw hi_res high_heeled_feet high_heels human larger_female larger_sub lying male male/female mammal missionary_position on_back queen royalty sex shoes size_difference smaller_male submissive wooky xenomorph xenomorph_queen xenophilia

alien alien_(franchise) bestiality cheek_window duo female female_on_human feral hi_res human human_on_feral interspecies male male/female male_on_feral mammal oral queen royalty sex wooky xenomorph xenophilia

2015 alien anal anal_penetration animal_genitalia animal_penis anthro anthro_penetrated balls big_tongue biped black_border bodily_fluids border breasts brown_eyes brown_nipples clothing digital_media_(artwork) don_bluth double_penetration equine_genitalia equine_penis erection fellatio female female_penetrated first_person_view foreskin fur gangbang genital_fluids genitals group group_sex hair handjob human human_on_anthro human_penetrating human_penetrating_anthro humanoid_genitalia humanoid_penis interspecies legwear licking long_tongue lying male male/female male_on_anthro male_penetrating mammal mantrin masturbation meesh nipples nude open_mouth oral oral_penetration penetration penile penile_masturbation penile_penetration penis penis_in_ass penis_in_mouth penis_in_vagina penis_lick precum scalie sex stith stockings thick_thighs titan_a.e. tongue tongue_out tongue_out_fellatio vaginal vaginal_penetration vein veiny_penis vulva wide_hips xenophilia yellow_sclera

2015 alien anal anal_penetration animal_genitalia animal_penis anthro anthro_penetrated areola balls biped black_border bodily_fluids border breasts clothing cum cum_in_mouth cum_inside cum_on_breasts cum_on_neck cum_on_tongue cumshot digital_media_(artwork) don_bluth double_penetration ejaculation equine_genitalia equine_penis erection faceless_character faceless_human faceless_male fellatio female female_penetrated first_person_view foreskin fur gangbang genital_fluids genitals glans group group_sex hair human human_on_anthro human_penetrating human_penetrating_anthro humanoid_genitalia humanoid_penis interspecies licking male male/female male_on_anthro male_penetrating mammal mantrin meesh nipples open_mouth oral oral_penetration orgasm penetration penile penile_penetration penis penis_in_ass penis_in_mouth penis_in_vagina penis_lick retracted_foreskin scalie sex stith titan_a.e. tongue tongue_out tongue_out_fellatio vaginal vaginal_penetration vein veiny_penis vulva xenophilia

alien anal anal_penetration ass_up bestiality blackmesajoe_(artist) blood bodily_fluids bullsquid clothed clothing cum digital_media_(artwork) duo erection feral feral_rimming_human first_person_view genital_fluids genitals gordon_freeman half-life happy heart_symbol hi_res human human_on_feral human_rimmed humanoid_genitalia humanoid_penis inside interspecies looking_at_viewer lying male male/male male_on_feral male_penetrated male_penetrating male_penetrating_male male_pov mammal on_back oral penetration penis precum realistic rimming saliva sex shaded spread_legs spreading tapering_penis tentacle_sex tentaclejob tentacles teratophilia valve valve_corporation xenophilia

alien alien_genitalia anal anal_penetration anus ass_up bestiality blackmesajoe_(artist) blood bodily_fluids bullsquid clothed clothing cum cum_everywhere cum_while_penetrated cumshot digital_media_(artwork) drooling duo ejaculation erection excessive_cum excessive_genital_fluids feral feral_rimming_human first_person_view genital_fluids genitals gordon_freeman half-life happy heart_symbol hi_res human human_on_feral human_rimmed humanoid_genitalia humanoid_penis inside internal interspecies looking_at_viewer lying male male/male male_on_feral male_penetrated male_penetrating male_penetrating_male male_pov mammal messy on_back oral orgasm penetration penis precum realistic rimming saliva sex shaded spread_anus spread_legs spreading tapering_penis tentacle_sex tentaclejob tentacles teratophilia valve valve_corporation xenophilia

2012 alien alien_(franchise) big_breasts big_head black_background bodily_fluids body_hair breast_play breast_rest breasts duo erection eyeless faceless_character faceless_male fellatio female female_focus female_penetrated first_person_view genitals hand_on_knee hand_on_leg hi_res human human_on_humanoid human_penetrating humanoid humanoid_genitalia humanoid_penis inner_mouth interspecies male male/female male_on_humanoid male_penetrating male_penetrating_female mammal meandraco multi_mouth nipples not_furry nude open_mouth oral oral_penetration penetration penile penis pubes saliva sex shallow_penetration simple_background solo_focus spread_legs spreading teeth titfuck tongue_mouth vein veiny_penis what what_has_science_done xenomorph xenophilia

alien ambiguous_gender balls bestiality blackmesajoe_(artist) blush bodily_fluids clothed clothing erection fellatio feral first_person_view genitals gordon_freeman group half-life happy heart_symbol hi_res human human_on_feral humanoid_genitalia humanoid_penis hypersuctor_sensitiva inside interspecies male male_on_feral mammal oral partially_clothed penile penis saliva sex teratophilia unusual_anatomy valve valve_corporation xenophilia

alien ambiguous_gender balls bestiality blackmesajoe_(artist) blush bodily_fluids clothed clothing cum erection fellatio feral first_person_view genital_fluids genitals gordon_freeman group half-life happy heart_symbol hi_res human human_on_feral humanoid_genitalia humanoid_penis hypersuctor_sensitiva inside interspecies male male_on_feral male_pov mammal oral partially_clothed penile penis saliva sex teratophilia unusual_anatomy valve valve_corporation xenophilia

2015 alien alien_(franchise) ambiguous_gender ambiguous_on_human ambiguous_penetrating areola black_body black_exoskeleton bodily_fluids breasts brown_hair drooling duo erect_nipples exoskeleton eyeless female female/ambiguous female_on_humanoid female_penetrated genital_fluids genitals hair hi_res human human_on_humanoid human_penetrated humanoid humanoid_penetrating humanoid_penetrating_human interspecies lucien mammal nipples not_furry nude penetration saliva sex tail tail_fetish tail_play tail_sex vaginal vaginal_fluids vaginal_penetration vulva xenomorph xenophilia

2015 3d_(artwork) alien alien_(franchise) bottomless clothed clothing digital_media_(artwork) duo erection female female_penetrated genitals human human_on_humanoid humanoid interspecies male male/female male_penetrating male_penetrating_female mammal military not_furry nude penetration penile penile_penetration penis penis_in_vagina science_fiction sex sierra11744 soldier vaginal vaginal_penetration warrior xenomorph xenophilia

2015 alien alien_(franchise) anvil_position breasts breath cheek_window duo ear_piercing ear_ring female female_penetrated from_front_position grin hair hi_res human human_on_humanoid human_penetrated humanoid humanoid_penetrating interspecies legs_up lying male male/female male_penetrating male_penetrating_female mammal nipple_piercing nipples on_back onomatopoeia panting penetration piercing ring_piercing sex shiraae smile sound_effects tattoo text xenomorph xenophilia

2014 alien alien_(franchise) anus balls bdsm black_body black_skin blush bodily_fluids bondage bottomless bound breasts butt clothed clothing cum cunnilingus duo english_text erection female female_penetrated ganassa genital_fluids genitals hair hi_res human humanoid_genitalia humanoid_penis inner_mouth interspecies long_tongue looking_back male male/female male_penetrating male_penetrating_female mammal nipples nude open_mouth oral partially_clothed penetration penis saliva sex short_hair sweat teeth text tongue tongue_out vaginal vaginal_penetration vulva xenomorph xenophilia

absurd_res alien alien_genitalia blackmesajoe_(artist) blush bodily_fluids clothing duo erection fellatio genital_fluids genitals gordon_freeman half-life handjob happy heart_symbol hi_res human humanoid humanoid_genitalia humanoid_penis inside interspecies kneeling knot licking male male/male male_penetrated male_penetrating male_penetrating_male mammal not_furry oral penetration penile penis penis_lick portal precum saliva sex standing tapering_penis teratophilia tongue tongue_out valve valve_corporation vein veiny_penis vortigaunt vortigaunt_slave xenophilia

absurd_res alien alien_genitalia blackmesajoe_(artist) blush bodily_fluids clothing cum cum_in_mouth cum_inside cumshot duo ejaculation erection fellatio genital_fluids genitals gordon_freeman half-life handjob happy heart_symbol hi_res human humanoid humanoid_genitalia humanoid_penis inside interspecies kneeling knot licking male male/male male_penetrated male_penetrating male_penetrating_male mammal not_furry oral orgasm penetration penile penis penis_lick portal precum precum_string saliva sex standing tapering_penis teratophilia tongue tongue_out valve valve_corporation vein veiny_penis vortigaunt vortigaunt_slave xenophilia

2015 alien alien_(franchise) all_fours big_breasts bodily_fluids breasts brown_hair butt cheek_window dominant duo erection exoskeleton eyeless female female_human female_penetrated from_behind_position genital_fluids genitals hair human human_on_humanoid humanoid interspecies larger_dom larger_male male male/female male_penetrating male_penetrating_female mammal miyabita_cheetah nipples not_furry nude penetration penile penile_penetration penis penis_in_vagina saliva sex size_difference smaller_female smaller_penetrated spread_legs spreading vaginal vaginal_fluids vaginal_penetration vulva xenomorph xenophilia

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3_fingers alien alien_humanoid animal_genitalia antennae_(anatomy) backpack bed bite biting_lip biting_own_lip clothed clothing dib_membrane duo ear_piercing erection eyewear fingers furniture genital_slit genitals glasses gloves green_body green_skin handwear hi_res human humanoid invader_zim irken kitket lips male male/male mammal nickelodeon not_furry pak penetration penis piercing red_eyes self_bite sex sitting slit_penetration slit_play smile smirk xenophilia zim_(invader_zim)