It's Too Hard to Keep a Low Profile

The private school teacher who taught me calligraphy for ten years is actually the greatest swordsman in the world? Will I not marry the seventh princess of the Great Xian Empire unless I am married? Dad's inheritance contains hundreds of millions of taels of silver? There are still 300,000 cavalry? Keep a low profile, it's so hard. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.