[Book 1/?]
Years have passed after the fight against Goku Black and Zamas, Goku and Vegeta having helped Future Trunks defeat him. After the defeat of the villains, the future character traveled back to before Zamas came so the villain could be destroyed by the God of Destruction. Peace returned to his world and to him as he continued living his life.
It's not long at all before he loses it.
Trunks suddenly goes missing and it seems like nobody is able to stop the villains causing destruction all around.
After years, there are seemingly four remaining surviving a who had been hiding all their lives. They knew that there was no way to stop the force that caused the chaos so they had been trying not to die.
Until they realize they're not alone.
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I do not own Dragon Ball Super/Z or any of the characters. The only characters I own are my OCs. All rights go to Akira Toriyama.