Lore

Prologue
Champa and Beerus are fighting an army of Broly clones, as they begin to get injured, the Rogue Kai decides to kill the two gods and take their power. Xeno Trunks and your character decide to go to this place to fix the timeline.

Beginning
Xeno Trunks and a new character (Your Character) are fighting a version of Broly and an unnamed rogue kai. The Rogue Kai says for the Broly to attack, knocking out your character and Xeno Trunks is forced to fight alone. Your character awakens in the main Dragon Ball timeline, with original Goku and Vegeta fighting each other. You decide to go talk to them for answers, as you don't remember anything.