This world is divided into five major families - each controlling metal, wood, water, fire and earth. The Wang family handles gold, the Yuan family handles wood, the Pei family handles water, the Gu family handles fire, and the Zhang family handles earth. (It has a certain relationship with the five elements)
Both protagonists had miserable childhoods, but the difference is their attitude towards life, which gave them different personalities.
Suffering is the salvation of Gong, which opens a bright light to Gong's dark life.
The ending of this article may be be (at least that's what I think now), or it may forcefully reverse the ending (unlikely)
The knife will come naturally, and the sugar will come out as it happens.
Intention: As long as people are here, water will always flow, and this feeling will never end