Bang! There was a gunshot. Two men in black walked out and entered a black Mercedes-Benz sports car. A middle-aged man in brown clothes asked: "What's wrong? Are you done?" "Huh," a shorter man in black said, "That's because we have always been at odds with the Vongola family. How could this assassination fail?" ""Um. . . The middle-aged man was silent for a while, then said: "Let's go, there is no heir to Vongola anyway." After saying that, he started the car and left...