The Few Who Carry Darkness

In a world where humanity has been hiding underground for hundreds of years, Halani Keynes has dreamed her whole life of seeing the sun and reaching the city of Genesis – the last place where people live under the open sky. But she is unjustly accused of a crime and sent to the notorious prison Braderhelm.
Among dangerous inmates and ruthless guards, Halani confronts the cold and unyielding captain of the guard, Takeshi Steel, who does not tolerate disobedience. Struggling to survive and prove her innocence, the girl gradually realizes that her imprisonment is part of a vast conspiracy, and the walls of Braderhelm hold secrets for which people are willing to kill over and over again.