C400 What kind of secret is there

It had been at least four days since Ye Haochen's death. Originally, Ye Haochen thought that she was Situ Renyi's Third Senior Sister, a person who was proficient in the way of medicine who had lived for over a hundred years, but now, it seemed that this person had other things to do. Otherwise, who would go against a longevity elder?

Ye Haochen had always been a meticulous person