I Am the Strongest Person on Earth in the History of Dragon Ball

Wu Di traveled to the Dragon Ball world, but he is an earthling What can the Dragon Ball boss do with millions of people on earth? Just when Wu Di was disappointed, he started the "God-level characteristic fusion system" Vegeta: "How is it possible? The Saiyans are the strongest race in the universe. How can they not even be able to defeat an Earthling?" Frieza: "Impossible! How could Frieza, the emperor of the universe, lose to an earthling!" Beerus: "You can actually defeat the God of Destruction. Are you really a human?" What to do if you change your race? Wouldn't it be nice to have this system? I just want the whole universe to know that even the people on Earth can be the strongest! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.