Dragonball The Movie Chapter Book, Vol. 1 The Discovery

Goku was a normal high school student until he found out he's actually a martial-arts whiz kid. Together with his new group of teen warriors, he must save the whole world from a madman who is looking for the seven Dragon Balls--legendary devices that can magically make any wish come true. Can a regular guy like Goku become the strongest fighter of all in time to stop the end of the world?