C516 Black Iron Box

However, Zang Mei did not give him an answer. Zang Mei, who was immersed in searching for things, did not hear his question at all. She started to read the books one by one.

When she touched the last book, she raised her hand and took out the book. Her eyes fell on a dark corner that was almost unnoticeable when the book was pulled out.

There was a black and green thing in it