The major festivities in Yan Country were all held in the evening, however, they had to enter the palace to pay respects by late afternoon. Due to their association with Yan Qing, they entered the palace in the morning since they needed to eat the reunion meal at noon.
Concubine, as the future wife, was able to attend, which indeed afforded her great honor. Today, she was to meet the Crown Princess Consort, which also counted as their first official meeting.
Thus, Concubine made meticulous preparations.
