Rule 34 Dev - 2girls 3d 3d_(artwork) alyx_vance armor black_hair civil_protection clothed clothed_female clothed_male clothes clothing combine combine_(half-life_series) combine_assassin combine_soldier dildo female female/female garry's_mod gas_mask half-life half-life_(series) half-life_2 half-life_2_beta helmet human humanoid lesbian long_fall_boots male mask masked metrocop metropolice panties pink_panties see-through see-through_legwear short_hair sitting standing stockings sucking_dildo transhuman underwear unknown_artist valve|1184544656