In a mysterious city, seven outsiders suddenly broke in one day. Breaking the original development trajectory of the city, this city is a magical and hidden city. There are things from various time and space inside, and there are three managers who are in charge of this city. They repeat the same job every day, and this city exists because of them. However, seven outsiders broke into the city, causing disruption to the city's operation and the disappearance of one of the managers. The seven people began to embark on the path to pursue the truth.
If you could be free, but at a huge price, would you be willing? Even if it means stepping into the darkness.
