Planet Kanon in an alternate world.
Some time ago, due to the Golden Man's scheming, Planet Kanon suffered an attack by Lugiel. Ever since that incident, security on the planet—already heavily guarded—became even tighter. This was because Planet Kanon is home to the World Tree, which is inextricably linked to all life in the universe.
To put it simply, the fruit of the World Tree alone contains immense, boundless energy. This serves as the very foundation of Planet Kanon's existence.
Chapter 222