This book is also called "Dragon Ball Oolong: Sorry, I'm Invincible"
The story begins in Dragon Ball Super. Oolong was time-traveled by a young man from Earth, and was bound to the most powerful and incomparable victory system. He can combine the three concepts of being the strongest, invincible, and victorious in everything he does. So he began to live a peaceful life, but if someone is too good, others will always notice him. The protagonists of Dragon Ball Super gradually discovered his awesomeness, and he had to ascend to the throne step by step.
