What story would you start with before going to sleep? Which world will you go to after falling asleep? It may be a dream come true, or it may be incredible; in fact, these are all real things. Your thoughts will create countless worlds. In your world, every protagonist and every NPC is yourself, and they are all real existences derived from your different thoughts. What are you wondering about? What are you looking for? In which dream is the answer hidden? In which world is it hidden?