Ninja vs. Gokudo

Long ago, there was a deadly war between ninjas and yakuza, who continued bloodshed across the kingdom during the rise and fall of the country. In modern times, a ninja Shinoha meets Kiwami, a yakuza gangster who follows the gokudo path. Soon, they learn about their common interests. But people believe this friendship will cause a horrible ending. This connection can also break the siege of the 300-year-long war. But who will win the race for ultimate power?