Yun Ji suppressed the sadness rising in his heart and looked up. The last light of the setting sun in the sky had completely disappeared. The surroundings were gradually shrouded in darkness, and the naive world was completely dark.
Ever since Yan Yan had sent him to the border area, the greatest joy was to wait for the letter from him. Even if the situation in the border area was not optimistic, he would still write Yan Yan a letter every now and then.
The contents in the letter were all about his own experience and feelings in the morning. Sometimes, it talked about the vastness and brightness of the starry sky outside the frontier fortress, and sometimes he told her the victories, defeats, and sacrifices of every battle. He would say that the cruel battlefield was full of corpses and
