Everyone dreams of having 12 more hours in a day, but what they don't know is that there are actually another 12 hours hidden in the gaps in this world that only some extremely special people can meet. It is a door leading to destruction and rebirth. Some people struggle and some enjoy it. Some people have rights and some are willing to fall. The sinister human heart and the prosperity of the world are constantly being staged inside. No one knows when the end will be.
Two teenagers who have just grown up are unfortunately selected to join them. How should they survive in this chaotic world?
Motto: There is always hope in life.