Black Lagoon (2006)

Stalked by a beastly white tiger, Atsushi Nakajima has no idea that the menace lives inside him—a power that catches the attention of the Armed Detective Agency. Using inhuman abilities to combat crime, this team takes Atsushi under the wing of their most eccentric member, Dazai. Together, they tear through mafia-muddled mysteries while enemies keep an eye on the tiger’s lofty bounty.

Gon, a young boy who lives on Whale Island, dreams of becoming a Hunter like his father, who left when Gon was still young.

Two assassins who never miss their mark must juggle fatherhood with their demanding job when they suddenly find themselves raising a four-year-old girl.

Narumi Katou is a middle-aged man who suffers from the bizarre ZONAPHA Syndrome: a rare and inexplicable disease that causes its victims to endure severe seizures at random, with the only cure being to watch someone laugh. One day, during Narumi's part time job, a young boy with a giant suitcase fleeing from three adults runs into him. The boy introduces himself as Masaru Saiga, the new owner of the famous Saiga Enterprises following his father's recent death. However, other members of his family are trying to assassinate him and claim the fortune for themselves.

Jonah is a child soldier and the newest bodyguard for Koko, an international arms dealer with an entourage of hired guns. The cold-blooded kid hates Koko’s line of work, but following her into the darkest corners of the black market might be the only way he can find those responsible for his family’s slaughter. Besides, his employer isn’t like most merchants of death. She uses guile and cutthroat tactics to keep her clients armed to the teeth—all while cultivating her own warped plan for the future of world peace. With the CIA desperate for her capture, assassins eager to collect her head, and the potential for every contract to end in ultra-violence, Koko and her comrades in arms bring the boom to every corner of the world.

Ryo Saeba works the streets of Tokyo as the City Hunter. He's a "sweeper" and with his sidekick Kaori Makimura, he keeps the city clean. People hire the City Hunter to solve their dangerous problems, which he does with a Colt Python. When Ryo's not working on a case, he's working on getting the ladies, and Kaori must keep him in check with her trusty 10 kg hammer.

Humanity has found a way to achieve infinite energy by using coils to draw it from the fourth plane: dimension "W". With the production of coils having been monopolized by the New Tesla energy company, freelance collectors are hired to find and remove any illegal, unofficial coils. This is the story of collector Kyōma, who also happens to have a huge hatred towards coils. During one of his missions he stumbles upon a female android that perceives herself as being human, leading the two to enter an unlikely partnership.

Supposedly Japan's greatest swindler, Makoto Edamura gets more than he bargained for when he tries to con Laurent Thierry, a real world-class crook.

Trigun takes place in the distant future on a desert planet. Vash the Stampede is a gunfighter with a legend so ruthless he has a $$60,000,000,000 bounty on his head. Entire towns evacuate at the rumor of his arrival. But the real Vash the Stampede, the enigmatic and conflicted lead character, is more heroic, even though he usually acts like a complete idiot.

In the year 2113, people are given brain scans to determine how likely they are to commit a crime. Those who fail are apprehended, or even killed.