Mu Yuze was not a crime investigator for nothing. Taking in He Juan's unusual reaction, he quickly put two and two together. "Oh…" he breathed, realization dawning upon him.
Too excited to bring his investigation results to He Juan, he had momentarily forgotten about the study, and how he had obsessively made it so that nothing had changed in this room, except for the fact that he could never collect as many books as He Juan did.
