C411 Roommate Xiao Yanfeng

It had been a long time since Qingcheng had received this letter.

During this time, she had also seen this letter.

However, there were many formulas that relied on poison.

It would take a very long time for Qingcheng to study a prescription.

It wasn't that Mo Qingcheng didn't understand poisons.

On the contrary, ever since she had obtained the Poison King's inheritance