Chapter 417. The Value of Minerals

"Big Sis? What's wrong with you? Why is your face so red and you look rather weak? Are you sick or something? Should I call the doctor?" Lewis, who was looking at Sylphy in front of him worriedly, asked while offering her a glass of water.

Sylphy cast an angry glance at the invisible culprit behind her embarrassing condition before forcing a smile and hurriedly changing the topic. "I'm fine. I was just out riding my horse for a few hours under the sun before coming here. That's why my face is red. No big deal. Anyway, how about it? Did you finish your research on the ores?"