I'm in GT, I'm Super Four Gogeta

A modern man traveled to the GT time and space in the Dragon Ball world and became Super Four Gogeta. In the battle with Super One-Star Dragon, he gradually mastered the strength of Super Four and defeated Super One-Star Dragon. Then he activated the Saiyan invincibility system and had the ability to travel to other worlds. Let's see how Gogeta played around in other worlds, and how he passed the training step by step, and finally stood at the top. Jiren: "Gogeta is the strongest, I am willing to be second!" Bados/Marcarita/Martinu: "Gogeta is the strongest mortal we have ever seen!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.