Bolt Crank travels the world as the World's Greatest Mercenary. He got that moniker due to his skills, as well as his ability to eat anything, and then reproduce it in his right hand. During his adventures he meets new friends, as well as his rival Hard. But, his mysterious past with a man named Leon Field comes into play later on when Shadow, a man who can control machines and calls himself Bolt Crank, and Stella, a woman who wants to mechanize every human on the planet, has Bolt going back to an old, unfinished mission he left behind long ago. 
source:ANN

Bolt Crank is an "explorer"--a mercenary who only accepts jobs that fits his moral standards. Even so, explorers like him are rarely trusted, and employment--both in getting and also doing the job--is hazardous. However, despite the fact Bolt says it's the only job he's any good at, he's also the best explorer around. Moreover, he has a unique ability. He's able to eat anything at all, and later can reproduce it wholly intact and functional! As an enigmatic man of few words, it's hard to understand someone who can do something so strange, whose only skill involves taking dangerous jobs for money, and who despite it all, just wants to be normal. In a mysterious world of advanced technology and weird science, it seems that some things never change. 
 
(Source: Discotek)

The continuing adventures of Bolt Crank, the World's Greatest Mercenary, who has the ability to eat any object, mostly metal and weapons. When the time comes, Bolt can then reproduce those weapons and items in his right hand.
 
(Source: Anime News Network)

The legendary loner Bolt Crank, who is the top adventurer in the world, has appeared once again. He takes on a variety of jobs in this far-future world, using his extraordinary ability, which is to eat anything (from screws to humanoid robots) and then reform it from his arm later, to great effect.

Ray was bred and raised to be a living, breathing organ donor. After her own eyes were taken from her, a stranger bestows upon her the gift of sight and something extra - she has X-Ray vision! Ten years later, Ray works as a nurse and moonlights as an underground medical doctor performing for-profit, off-the-book medical procedures. But her daily routine is interrupted by a chance encounter with an old friend that triggers Ray's memories of her hellish childhood. Ray will begin a search that will lead her back to the people who stole her eyes-and her childhood! (Source: ADV)

A unique space has appeared in Tokyo, commonly known as the "24th Ward." Common sense and physical laws do not apply there, so it was deemed a danger zone and was promptly closed. However, when Kosuke infiltrates the 24th ward in search of his missing younger brother, he meets a mysterious girl named Hanako-san. At first, Kosuke rejects the elusive Hanako, but is gradually attracted to the 24th Ward... and Hanako! Delve into the mystery surrounding the 24th ward in this boy meets girl fantasy!

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