Rent Gungrave: Vol.5 (2004)

Harry grows Millennion into a powerful government-dominating organization that rules a world of violence through its demonic soldiers, the orgmen, who lurk within every shadow. Mika, the daughter of Maria and Big Daddy, escapes from the organization's henchmen, to find "Brandon Heat", the man her mother told her about. Brandon, revived as "Beyond the Grave", defeats the orgmen to protect Mika. However, when Harry discovers that the mysterious warrior who defeated his orgmen was Brandon, Harry sends out the Superiors to destroy him - Grave now begins the fight against his old comrades to get to Harry.

Episodes Comprise.
17. Mika
18. Grave
19. Superior
20. Brother