Observe the Changes in the Sky

Yuanzhou. This place has been governed by Tiancheng for hundreds of years. All the cities in Yuanzhou are arranged in concentric circles with Tiancheng as the center. The four cities in the inner ring are named "Zichou Yinmao", and the eight cities in the outer ring are named after the remaining earthly branches. There are four major families in Zichou Yinmao City, each of which is the largest power in the city. The heads of each family have made a blood oath with the people in power in the city today, and each family has the obligation to do its best to assist the royal family in governing Yuanzhou. Since the death of the first generation ruler "Xi", his successor "Chi" has disregarded human life, encouraged evil and evil practices, and made the people miserable. As a result, dissent among the people gradually arose...