As a member of the Royal Family, it's understandable to care about one's reputation, but the breakout of five Earth Realm Stranges is no small matter. If not handled properly, the entire Dazhou could be destroyed. Yet Ji Yunmeng thinks of concealing it.
Prince Zhen Nan doesn't believe Ji Yunmeng is foolish. She surely knows the importance of the matter. This indicates that Ji Yunmeng places her reputation in a very important position.
What does she care about her reputation for as a Princess? Even if the matter leaks and she needs to take the blame, she would at most lose her Commander of the Deceit Suppression Bureau position and revert to being a Princess.
This is why Prince Zhen Nan feels that Ji Yunmeng has grander ambitions. Her ambitions require her to cherish her reputation, otherwise achieving her goals would be very difficult.
