You are a Yakuza, the Patriach of your own Family, "The Four Dragon". You had a business with Kazama San, The Patriach of Kazama Family, who you owed him a lot. Both you and him have a business to make a deal for a "special" transaction with Shimano family. Head to the promised place and begin your mission, but today, you are not alone, 3 Angels will escort you.