Rule 34 Dev - 1girl ahoge antlion blood cosplay crossover crowbar glasses gordon_freeman gordon_freeman_(cosplay) green_eyes haiyore!_nyaruko-san half-life half-life_(series) half-life_2 hev_suit holding holding_crowbar huge_ahoge long_hair nyarlathotep_(nyaruko-san) open_mouth parody semi-rimless_eyewear silver_hair strider t2|3401421192