C440 The Man Beside the Pillow Is Not to be Condoned

"Only the Heart Devouring Gu of Princess Hua-Yang can swallow her Gu, coincidentally, I have a Gu of the Heart Devouring Gu in my hands, I can place this Gu onto the eighth prince's body and use his life to save you, this is something only I can do, but I have a small request, do you want to hear it?"

Yuan Langyi did not expect Cui Yilan to have the Heart Devouring Gu