Hearing Long Zhenguo's words, Duan Lingtian felt a slight ripple in his heart.
It turned out that back then, after he was betrayed, died, and vanished from the world, this very instructor Long had actually sent people to search for news about him.
One had to know that by that time, he had already retired from active service and no longer had a superior-subordinate relationship with Long Zhenguo.
Chapter 2531