Gungrave - The Complete Series USED

Death doesn't matter to Brandon Heat. Armed with his twin handguns and a coffin full of heavy weapons, he's back from the grave and bent on crippling Millennion, a massive mafia organization with legions of undead monster enforcers. Driven by vengeance, Heat won't stop until Millennion's leader - and Brandon's former best friend - "Bloody Harry" MacDowel is destroyed.