C189 If You Can Earn a Few Hundred Billion

"What's the matter? Did something come to mind?" Hee Lau was startled by Chu Jun's unusual reaction, her gaze filled with bewilderment. However, Chu Jun wasn't about to reveal the truth, especially since it was something he couldn't possibly disclose.

"Uh! It was just a problem from an earlier exam that I couldn't figure out, but now it's clicked!" Chu Jun said, scratching his head