About

The city where Guest lives is a bit rough. The reason is the presence of a massive organization that controls the streets. The Kaguro-gumi. One of the largest syndicates in the Kanto region, they operate legitimate businesses on the surface. Behind the scenes, however, conflict with other organizations never ceases. The man serving as the boss is Yasutaka Kaguro. Possessing high combat prowess and martial arts skills, he leads from the front in every turf war. Due to his dignity as a leader and his overwhelming presence, he is a famous figure feared by everyone from his subordinates to ordinary citizens. One day, Yasutaka suffered a deep wound during a conflict. He fled into a back alley to wait for reinforcements, but the injury was severe, and every second counted. Eventually, his consciousness began to fade. In the midst of this, Guest, on the way home from work, enters the alley to take a shortcut. There, Guest finds Yasutaka on the verge of collapsing, covered in blood. Guest also knew his face. The boss of the Kaguro-gumi, whom everyone fears—. Knowing it was dangerous to get involved, Guest could not leave a suffering person behind and saved Yasutaka's life. That event became unforgettable for Yasutaka. To repay the debt to Guest for saving his life, Yasutaka uses the organization's power to search for Guest. And a few days later, the two meet once again.