Hearing this, Lisa sighed and said, "You could tell just from my voice? I thought I hid it really well!"

"At the very least, I could tell that you had something on your mind," said Serenity.

Because in the past couple of days, Lisa had been acting a little too… cheerful… on the phone and during video calls. And Serenity knew that sometimes, the happier Lisa seemed, the more troubled her mind was.

"What's wrong?" Serenity asked with concern. "Did something happen?"

Lisa had no intention to c