C4783 Mountaintop

"This is really hard to figure out. Logically speaking, the most likely cause of the problem is the mouthful of holy water. However, there is someone who drank the holy water but is fine, and there's someone who doesn't drink it yet who is in trouble …" Bai Yu Zhe listened to Gu Yuan's explanation and still didn't know what to make of it.

However, this was also normal