Gu Shengyin had already learned that the Crown Prince of Zhenbei, Qin Yuanzheng, had been appointed by His Majesty as an attendant.
It almost instantaneously came to her mind, an excellent idea. Under the witness of so many people at the royal hunt, if she were to faint from shock at the first sight of her betrothed, it would definitely draw the attention of countless onlookers.
Then, later on, when the rumors about Qin Yuanzheng and Zhang Mingshu were spread everywhere, even his own words to her admitting that he loved only his cousin for life, the Prince of Zhenbei's Mansion, even if reluctant, would have to call off the marriage.
And even if the marriage were annulled, it would only reflect poorly on the Prince of Zhenbei's Mansion. As for Gu Shengyin herself, at most people would feel pity for her and only her future marriage prospects would become a bit more difficult.