Going back a hundred years, the history of Vongola was created by such a group of people, who created such a golden age in troubled times. Today in the 21st century, as the plot of the tutor advances step by step, yesterday's history is being played out in front of our eyes. What kind of glory was it that pushed Vongola to the pinnacle of supremacy, and what kind of past caused the close friends who had been together in life and death to part ways?