I know you already know, but I LOVE Zhen. He's charming. He's weird, and he is definitely good at his job.
I don't think I'd actually mind being in the apprentice's place, because Zhen is a whole lot of fun to talk to. (And he's very cute >>; Exceptionally cute. His voice actor did a great job with bringing his character to life, too!)
All of the dialogue was interesting, but it was sincerely delightful to get a chance to flirt a little with our charming interrogator.
I'm looking forward to seeing just where the story goes for the Crooked Man's apprentice... and I'm hoping the Crooked Man is okay at this point in the story...