There are no natural heroes in the story, only ordinary people who are pushed forward by reality. He used to be meek and give in, with the righteousness of a young man, but was forced to retreat by the world. He had to pick up the knife and learn to stand firm in the mire. But even if he was covered with wind and rain, the goodwill that had not been worn away in his heart was always bright.
There is no right or wrong in the world of martial arts, only that one cannot help oneself