Taking dreams as the world is called "dream within a dream", and the core of dreams is "dream underworld".
"Dream Underworld": connects the main world, the parallel world and the underworld, and is the control center for all living beings' dream exchanges. It is the final guarantee for maintaining each dream.
The protagonists and various strange people from different backgrounds are invited by "Dream Seeds" to explore the world of "dreams within dreams".
——Unknown adventure exploration discovery truth
"I have long admired all living beings and come to 'Dream within a Dream'."
Intention: Don't go off topic, fill in any pitfalls (need to remind)