The three women were obviously Grandma Mu, Madam Mu, and Shen Xingling.
Grandma Mu: [Xiaoxing, dear, the secret's out. Your mother and I have already gone out into hiding. You're on your own now—good luck! We'll catch up when you come back next week.] @Little Star
Madam Mu: [Xiaoxing, Tingshen started asking us because you had a nosebleed this morning, and then we forgot to tell Mother Zhang. So, well, you know what happened.] @Little Star
Chapter 68