Rule 34 Dev - 1girl advarcher cityscape cosplay firing from_behind grey_sky gun high_ponytail highres holding holding_gun holding_weapon hololive hololive_english lens_flare long_hair mecha metal_gear_(series) metal_gear_rex metal_gear_solid mori_calliope pink_hair robot sky solid_snake solid_snake_(cosplay) virtual_youtuber weapon|20319029172