Black Lagoon

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.

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.

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.