C198 How dare You Use Your Instructor?

Gu Yichen showed the mark on his waist to Su Chen and leaned back in his chair with a lazy expression.

"Do you still remember a dozen years ago, you asked us to protect a mysterious figure while he passed through a dangerous rainforest?" Gu Yichen asked lazily.

Su Chen nodded, "That time, I remember that almost all the people I sent were killed and the rest were scattered