His father was a pirate but he was good like luffy and the marines still executed him so he wants revenge on marines...from the aye of 3 he has been studying martial arts and then one day during training he got hit with a legendary moon lightning aka white lightning....it only happens once every 100000 years and hits the person with the most potential. Now he can fight with white lightning wich makes him powerful. Enel heard of this and tried to attack him because he didn't want another lightning master. But he was drove into a corner and Boruto spared him