Rubik's Cube Journey Through No Limits
The Black Mansion - it can be said that it is the name of an organization and is also a real thing. It is a very illusory existence in the eyes of the world. People who really come into contact with the Black Mansion are generally talented and powerful or powerful and capable in some special aspects. The client entrusts the manager of the Black Mansion with seemingly impossible tasks and the leader of the task staff, and he appoints the members of the Black Mansion to complete it.
The interior of the Black Mansion - on the surface, it is a rather strange house, which is actually connected to many real and unreal networks. The attic of the Black Mansion is called a silent door that cannot be entered. It violates the rules and no one who enters by mistake can come back. But in fact, it is a door to the next world, and behind the door is another new world! !