C58 Understanding
Qin Yu already knew everything through the Night Pearl pendant that Chen Guheng gave him. This was the second time he knew Cangran's name.
It really was a coincidence. It just so happened that the two of them liked the Night Pearls, and they were indeed blood brothers.
Qin Yu knew everything from Chen Guheng being abroad to being caught by Liu Tie, to being caught in a ruse