Here, there is a city called the City of Redemption, but people prefer to call it the City of Sin.
In the East, a genius hatched a conspiracy, trying to use his mortal body to change the laws of life and death. For the sake of his promise, he had already abandoned everything. When the souls of the dead return, can he really get what he wants?
In the south, a young man like a flying bird gave up all his rights. He thought he was already free, but little did he know that a huge black net was surrounding him. When the bird is bound by the chain called responsibility, where should he seek freedom?
In the West, wisdom and rationality merge with this, and a scientist attempts to build himself into the most perfect human being. For this reason, he did not hesitate to abandon all human emotions. However, can human beings who have lost all emotions really still be called human beings?
In the north, a warrior suppressed all criminals. In order to pursue the truth of the world, he even did not hesitate to challenge the rule makers. However, there are things that absolute force cannot do. One day, he will pay an irreparable price for his arrogance.
In the center of Sin City, a majestic tower stands here, and the throne of Sin Karma looks down on all living beings. In the endless years, a girl waited in front of the unmanned throne, because she believed that the being who once sat on the throne would eventually return.
When all the dust settles, the young man as a witness will eventually forgive everyone's sins. Then, go and uncover the truth about the world.