Bab 8: Should this fanfic be multiverse? [Animes with Guns like Trigun, Cowboy Bebop, Pyscho pass Ghost in The Shell, Resident Evil etc

[Animes with Guns like Trigun, Cowboy Bebop, Pyscho-pass Ghost in The Shell, Resident Evil, Lupin the 3rd, Jormungand, Madlax, Gungrave, Black Bullet, Gunslinger Girl, Hellsing, Canaan, Black Cat, GantZ, Cyberpunk Edgerunners, Suggest any other anime with Guns