As brothers and sisters, they have a relationship that goes beyond brother and sister. They grew up in a mysterious family and have the ability to create and manage dreams. They are called "Dream Gods" by others. Their ability surpasses everyone in the family, and they are regarded as the best successors by their father, the leader of the family. One day, the names of the guardian and the heir appeared in their lives, and they were stuck in a decision. How many secrets are hidden behind the appearance of two unknown guardians? How many conspiracies will emerge?