2008 biped blonde_hair blue_eyes bullsquid collar detailed_background fast_headcrab female green_eyes group hair half-life headcrab human leash mammal poison_headcrab sachsen sketch sketch_background smile snark tail tentacles valve valve_corporation walkies
anthro bisexual bodily_fluids choker civil_protection civil_protection_(half-life_2) cum cum_on_face cumshot ejaculation erection exclamation_point female female/female genital_fluids genitals group half-life half-life_2 headcrab humanoid_genitalia humanoid_penis jewelry male male/female necklace orgasm ouch penis poison_headcrab shocked unknown_artist valve valve_corporation walk-in
2014 absurd_res blush comic crossover english_text equid equine female feral friendship_is_magic green_eyes hair half-life hasbro headcrab heart_symbol hi_res horn horse long_image mammal multicolored_hair my_little_pony mythological_creature mythological_equine mythology pink_hair poison_headcrab purple_hair rarity_(mlp) strider_(species) surprised sweetie_belle_(mlp) tall_image text two_tone_hair underpable unicorn valve valve_corporation
2015 blue_eyes crossover duo equid equine female friendship_is_magic glowing hair half-life hasbro headcrab hi_res horn levitation mammal my_little_pony mythological_creature mythological_equine mythology newspaper poison_headcrab purple_hair rarity_(mlp) scared underpable unicorn valve valve_corporation
16:9 2_toes 3d_(artwork) 4_fingers abs alien alien_humanoid amber_eyes ambiguous_gender athletic athletic_humanoid athletic_male bed bedroom bestiality biped bungie chair claws crotch_crab crotchhugger deep_throat digital_media_(artwork) duo fast_headcrab feet fellatio feral finger_claws fingers furniture glistening glistening_body glistening_skin grey_body grey_skin group half-life half-life_alyx halo_(series) headcrab hi_res humanoid humanoid_on_feral humping inside interspecies looking_pleasured lying male male/ambiguous margevonn melee_weapon microsoft mouth_creature muscular muscular_humanoid muscular_male nipples not_furry nude on_back on_bed oral oral_penetration pecs penetration penile penile_penetration penis_in_mouth penis_nursing poison_headcrab quadruped sangheili science_fiction sex size_difference source_filmmaker_(artwork) table tan_body tan_skin teeth toe_claws toes tools unusual_anatomy valve valve_corporation weapon widescreen xbox_game_studios xenophilia
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