The Story in Yugioh

From where comes this mysterious story named « Yu-Gi-Oh »…?
Yûgi Muto, a teenager trite like any high-school pupils, taking up to now a peaceful life.
Finally, like a trite teenager… He is good to know that he is getting older and elevated just by his grand father so he is not a normal child!
Growing in world full of toys witch his grand father making his commerce, one day his grand father give him a puzzle, named millennium puzzle, a puzzle witch were never finished and contain something terrible.
Yûgi who is special, succeed in completing this puzzle with pyramid form.
So as Yûgi is naïve and likeable, can be even a bit more, he becomes suddenly darker and in odd games he becomes a master and begins to humiliate his enemies without giving them any chance.
However, outwards those special games, Yûgi still the peaceful child that we know in normal time.
We realize that is what we can give the name of double personality, with certainty, two good Yûgi, but one more malicious and serious than the other can. After that Yûgi’s grandfather, give to his grandson some cards of which one is very strong (The white dragon with blue eyes) with some strange monsters on, with witch he begins to become more and more powerful, and appears to have an enormous potential.
The Yûgi’s grandfather is been kidnapped by a famous and powerful creator of card game witch Yûgi plays, the games Magic & Wizards to oblige Yûgi to go to the island where a tournament of this card game is.

The tournament where duellists come from all over the world, Yûgi must try to win, accompanied by his friends, the maximum of those duellists to achieve his objective, saving his grandfather…