C109 Chen Wei's Explanation

Logically speaking, all of them knew how much Yan Yutian doted on Yan Chang. Although Yan Chang's face was gloomy all day long, and there was no warmth in his eyes, which made all of them look afraid, every time Yan Yutian appeared in front of them, he would still say something like asking them to protect Yan Chang and not let him be wronged.

In fact