Lelouch Lamperouge's dreams of destroying the Holy Britannian Empire are slowly crumbling. His sister, Nunnally, has been kidnapped by Schneizel el Britannia, and Suzaku Kururugi is ignoring his desperate pleas for assistance. The Black Knights are slowly losing faith in Lelouch as their leader, and the United Federation of Nations has declared global war on Britannia.

Having suffered numerous betrayals, a significant loss of power, and an ever-growing resentment towards Emperor Charles zi Britannia, the crippled Lelouch makes a final decision: if he can't destroy the Empire from the outside, he will take it for himself from within.

[Written by MAL Rewrite]

Ryo Saeba is a "sweeper" know as the City Hunter. He and his sidekick Kaori Makimura are hired to solve problems that the police can't (or won't) handle. When he's not keeping the streets of Tokyo clean, Ryo is chasing the ladies, and Kaori chases after him with a giant anti-ecchi hammer. (Source: ANN)

Roberta, the terrorist-turned-maid that made her appearence in the first season of Black Lagoon, returns in this five-episode OVA series—and this time, all bets are off! Roberta's benefactor, the patriarch of the Lovelace clan, is murdered during a political rally. The assassin's trail soon leads back to Roanapur—so now she has returned on a mission of vengeance! However, close behind her is the new patriarch, Garcia, as well as Roberta's apprentice (and maid), Fabiola Iglesias. As the body count of Roberta's bloody rampage mounts, forces from within the corrupt island (which includes the Lagoon Company), as well as overseas converge on what threatens to escalate into all-out war!

Within Thailand is Roanapur, a depraved, crime-ridden city where not even the authorities or churches are untouched by the claws of corruption. A haven for convicts and degenerates alike, the city is notorious for being the center of illegal activities and operations, often fueled by local crime syndicates. Enter Rokurou Okajima, an average Japanese businessman who has been living a dull and monotonous life, when he finally gets his chance for a change of pace with a delivery trip to Southeast Asia. His business trip swiftly goes downhill as Rokurou is captured by a mercenary group operating in Roanapur, called Black Lagoon. The group plans to use him as a bargaining chip in negotiations which ultimately failed. Now abandoned and betrayed by his former employer, Rokurou decides to join Black Lagoon. In order to survive, he must quickly adapt to his new environment and prepare himself for the bloodshed and tribulation to come. A non-stop, high-octane thriller, Black Lagoon delves into the depths of human morality and virtue. Witness Rokurou struggling to keep his values and philosophies intact as he slowly transforms from businessman to ruthless mercenary.