In 2058, humanity achieved remarkable advancements in the fields of bioengineering and artificial intelligence. People could communicate with computers through mental commands, and medical sciences allowed for the cure of diseases at the early symptom stage. However, with the development of this powerful technology, the need for strict ethics and security arose to prevent misuse. In light of this, "shut your mouth" becomes a phrase symbolizing the importance of preserving privacy and data security in a world where thoughts can become a powerful tool.