The sayian kid (Male reader x Dragon ball)

In this alternate timeline where everyone knows the Z fighters. A kid named Y/N L/N is a huge fan Goku. He always had the new action figures of Goku. While he friend that's a Girl named Bulla (she's not in the briefs family for this story) was always a Vegeta fan. They would always be rivals just like Goku and Vegeta. One day the 2 were sucked inside portals taking them back in Tim to the Namek saga and they meet them all. They also have realized they became sayians, this means they get to live through all the events from Namek to even the tournament of power and even further than that.