I don't really know a lot about these cast members.

I would like to find out more about each of them.

What exactly their roles are in the series. 

Background information on each and everyone.

What their positions are in the series.

Also, if there are more of them.

If you have any information on any of this,
please don't hesitate in sharing it with
myself and all the other Kizuna fans out there.

This is Kei Enjoji.

He is one of the main stars in the story.
His father is affiliated with the mafia, which
is why there was an attempt on his life.

This is Ranmaru  Samejima.

He is one of the main stars in the story.
He is the one that saved Kei's life.

This is Kai Sagano.

He is Kei's half brother. He is in love with Ranmaru.

This is araki.

This is Yuki.