As for Princess Chang'an, that was even simpler. She was the paternal cousin of Qin Hu's cousin. Once Qin Hu died, the vast estate of the Champion Marquis's Mansion would naturally fall entirely into the hands of that cousin.
These factions, each taking what they needed and colluding with one another, had thus rapidly joined forces...
Truly, once you enter the gates of a noble household, it is as deep as the sea. There really were quite a few people who wanted him dead.
Chapter 433