Rule 34 Dev - 1_eye 1boy 1boy1girl 1girls 3d animated armor artist_request clothed clothing combine combine_assassin combine_shotgun_soldier combine_soldier duo erect_penis erection faceless_male female female_penetrated female_pov firearm fully_clothed gas_mask gun half-life half-life_(series) half-life_2 half-life_2_beta helmet holding_gun holding_object holding_weapon human human_female human_male human_only human_penetrated human_penetrating human_penetrating_female human_penetrating_human legs_over_partner's_shoulders male male/female male_penetrating male_penetrating_female male_penetrating_human male_pov mask masked masked_female masked_male missionary_position no_sound on_back orange_eyes outside penetration penis post-human pov red_eyes sex shotgun spas-12 straight transhuman vaginal_penetration valve video|9692836960