Jiang Si is just a background in the novel, not even cannon fodder, and his role is only to advance the plot.
However, he is not very negative about this, because in his eyes, as long as he is not cannon fodder, he does not want to be a villain, and he does not have the ability to be a protagonist.
But what he didn't expect was that as a backdrop, he would actually attract the hero and the villain. Now it was even difficult for him to serve as a backdrop.
Intention: Open your mind