Setting

Earth, also called the Dragon World, is a planet inhabited by mainly Earthlings but other races and species also reside on this planet. It is the home of the Z Fighters and the main setting for the entire Dragon Ball series. It is also the main setting to the other Akira Toriyama's series, Dr. Slump and Nekomajin,[2] as well as Jaco the Galactic Patrolman.

According to Whis, Earth is designated as "Planet 4032-877".

It's set in the world of Dragonball Z, though generally with an alternate history where Goku, Vegeta, etc never existed, instead placing players in the roles to be the heroes.