" A long time ago...
A man named AyKo created a sword clan...
The Yko Clan...
Using the philosophy of the bushido, a code of moral principles, he taught all of its members about the soul and the sword...
But the members who sought power, used his teachings for bad purposes and created new rival clans...
And after sometime the Yko clan was no more...

I am the last Yko...
And this is my story..."