Dan Heng tapped here and inspected there, but failed to find any switch for a hidden mechanism. He even tried pushing the books one by one, but not a single book budged, as if he were facing a solid wall.
After a moment, Dan Heng gave up on civilized methods, having seen March 7th—ahem, Astral pull out a baseball bat. Definitely not giving up on a test of wits.
Dan Heng's eye twitched, but in the end, he didn't stop Astral's actions.
Chapter 392