Gun x Sword

Gun x Sword (2005) is a animation, western, drama with 1 season, rated 6.0/10.

There’s a claw-fisted, genocidal maniac terrorizing the planet of endless illusion, and only Van, a tight-lipped loner in a jet black tuxedo, can bring the scoundrel to justice. Armed with his shape-shifting sword and a mechanized suit of armor, Van hunts the villain who murdered his one true love. With any luck, he’ll find the man he seeks before the sun sets on civilization.