When you fight for faith and reason, no force can stop you.

Wandering warrior Arashin joins the Yakuza to save his country. Thanks to his strength and extraordinary skills, Arashin has accomplished many heroic deeds and become an important figure in the organization. But it's not that simple. The Yakuza have many secrets he was previously unaware of. They use the pretense of saving the country as a means of profit. The Yakuza plot to occupy the country for their own nefarious purposes. But Arashin refuses to accept this. So he and Bei secretly leave the organization and plan to stop them.