C680 Rapid Increase in Cultivation Level

Actually, there's nothing wrong with Zhu Feying calling her little sister, in terms of cultivation base, she was a Golden Immortal before, and in terms of age, she was thousands of years older than her little sister.

"What's the matter, big sister?" After she sat down, she asked.

Zhu Feiying said, "Sister, do you know what is inside my body?"

The pearl shook her head and said