C733 Tian Fei Palace

That notebook is a very heavy one, and there's a little lock on it.

There were runes engraved on the lock.

That was why there was a very small key lying on the cover of the notebook.

He stared at the notebook.

Jin San gulped. "Master, I'm telling you all this from the bottom of my heart, not to trick you into teaching me something."

"I've recently organized my notes