C129 Black and White Reversed

Ning Xiaofan stepped into a grocery store where the clerk welcomed him with a beaming smile. "Good day, sir. What brings you to our humble shop?"

Accompanied by the clerk, Ning Xiaofan entered the store and noticed some black stones on the shelves. "I'm here for Limitless Stones. Is the shopkeeper available?"

The clerk paused, realizing the significance of the request