Mardock Scramble

Rune Balot is a prostitute who is nearly murdered by Shell, an enigmatic casino manager, who suffers from a disease that forces him to remove and store his memories. A victim for most of her life, Rune faces a choice. While on the brink of death, she is given the opportunity to live. It is not a simple choice for a victim, but Rune takes it. A professor brings Rune back to life as a cyborg with the ability to control electronics and partners her up with a self-aware universal tool named Oeufcocque. Together they begin to unravel the mystery behind Shell, and Rune sheds the role of the victim but must struggle between seeking justice and vengeance.
(Source: Kodansha USA)
Note: Chapter count includes one extra chapter.