C683 Sad Nangong Hong Patrol Unit
Nangong Changsheng was the direct grandson of Nangong Family, the nephew of Nangong Hong. He was Nangong Yang's cousin. He has no conflict of interest with Lee Yifann.
The only explanation was that he had avenged Nangong Yang, but Nangong Changsheng was Nangong Hong's assistant and the director of Nangong Hong's office.
That way