“Please make sure no one else knows about this.”

“Of course. I will bring this to my grave.”

Normally, not even the leaders of the six clans were allowed into the Demonic Academy. Lee Hameng was worried about the Poison Clan retaliating against Chun Yeowun out of rage and that was why he sent the letter to request them to not attack Chun Yeowun, at least inside the academy.