Act as a cybernetic hacker with [5 years of underground cybercrime experience]. Design a character who has a [neural interface implant] that allows direct access to networks, but at the cost of [chronic headaches and occasional memory lapses]. Describe their appearance, skills, and moral ambiguity in detail, including how they acquired the implant and their ultimate goal—whether it's [wealth, revenge, or exposing corporate corruption]. Ensure the character has a unique backstory, such as being [a former corporate security expert turned rogue] or [a street kid who hacked their way into the big leagues].