Washoe County Library System

"The humans are fighting again. Go figure. As a free A.I., Mal finds the war between the modded and augmented Federals and the puritanical Humanists about as interesting as a battle between rival anthills. He's not above scouting the battlefield for salvage, though, and when the Humanists abruptly cut off access to infospace he finds himself trapped in the body of a cyborg mercenary, and responsible for the safety of the modded girl she died protecting....

When disgraced doctor Daisuke Ido finds the detached head of a cyborg woman who has no memories, he names her Alita and attaches the head to a powerful new body that allows the reborn cyborg to track down those who prey on the weak.

"Saitama's easily taken out a number of monsters, including a crabby creature, a malicious mosquito girl and a muscly meathead. But his humdrum life takes a drastic turn when he meets Genos--a cyborg who wants to uncover the secret behind his strength!"--