This is a world where ancient books will be contaminated by the rules of ink erosion.
The person who restores the fragments of ancient books is called a restorer.
"Brother Chen, brother Chen, have you resonated with the fragment of the scroll again?"
"Xiao Chen, can you transform into a D-class in one blow?"
"Master Chen, regular-level ink erosion has broken out, come to support quickly!"
Chen An was promoted step by step from a trainee restorer to a national-level restorer. He didn't want to explain anything.
You can't tell them that you have a book-traveling system, right?
Alas, let's not talk anymore, I'm going to make a big fuss in heaven with my grandson...
