C103 Mutual Knowledge
As for kneeling to the Ancestor, the Emperor and Prince Mu had to do it together with Yan Ning'an, who was titled Prince Ann. The deceased originally wanted the Emperor to do it together with Prince Mu and Prince Ann, but Yan Wuchen didn't dare to ask Prince Mu to do it, so the Emperor and Prince Ann did it.
After the ceremony, Yan Wuchen was extremely tired