Broken City Series by Jessica Sorensen

I live in a world where freedom doesn't exist, and life is a battle for survival. Most people aren't even allowed to have names. But I had a name once. I was Allura until the Wardens captured me. They told me I was a Nameless. That I was no one, and my sole purpose was to obey them. And, for a while, I believed them. I spent years living underground in the channels beneath the city, dreaming of being outside again. I never thought it would happen. That I'd die in the darkness of my cell... moreI live in a world where freedom doesn't exist, and life is a battle for survival. Most people aren't even allowed to have names. But I had a name once. I was Allura until the Wardens captured me. They told me I was a Nameless. That I was no one, and my sole purpose was to obey them. And, for a while, I believed them. I spent years living underground in the channels beneath the city, dreaming of being outside again. I never thought it would happen. That I'd die in the darkness of my cell. But then three guys show up in the channels and my fate suddenly changes. Blaise, Ryder, and Reece are part of a secret group working to take down the Wardens and help rescue the Nameless. For the first time in a long time, I feel like I might survive. But the outside world isn't like how I remember. The city has become even more dangerous, especially for the Nameless. To survive, I'll have to learn how to trust the guys and live in a world full of crime where almost everyone is hunting for me. less

After Reece, Ryder, and Blaise rescued me from the channels, I thought my imprisoned fate had changed. But during our journey back to the station, we’re captured by the Forsaken.The Forsaken are known for killing their prisoners, but a fate much worse than death is waiting for us at their camp. If we want to survive, we’ll have to find a way to escape. But the leader of the Forsaken won’t let me out of her sight... moreAfter Reece, Ryder, and Blaise rescued me from the channels, I thought my imprisoned fate had changed. But during our journey back to the station, we’re captured by the Forsaken.The Forsaken are known for killing their prisoners, but a fate much worse than death is waiting for us at their camp. If we want to survive, we’ll have to find a way to escape. But the leader of the Forsaken won’t let me out of her sight. She’s convinced I’m a hybrid and is determined to prove it by forcing me to take a test. A test I’m not sure I can pass. less

Every day my life becomes more in danger. The only way to survive might be to enter the Oblivion and relive my forgotten memories. But my mind may be even more dangerous than reality.

Blaise needs my help, but finding and saving him is becoming increasingly difficult when dangers outside of the Oblivion are on the rise.