His name is Syaohei.
He is a son of Kohjin.
He had very strong black power by nature. However, the power was too strong and was not able to control it himself.
He hibernated for 100 years to let black power be familiar.
It is just after "the second all power Great War" that he woke up.
He goes for a trip to become an excellent Warrior.
The black power to dwell in his right arm is still unstable.
Therefore his right arm is usually locked.
He is the dragon which is still teenage. Because he hibernated for 100 years.
He's a big show-off.
He likes black clothes, silver accessories, a chain, a bandage.