C262 The Success of the Three Equations!

Lin Feng had been knocking for quite some time before Tang Xinyi finally opened the door. He noticed her lack of expression and the hint of sadness in her eyes, prompting him to ask with concern, "Tang, why the long face? Has someone been giving you a hard time?"

Tang Xinyi gazed at Lin Feng, the man she greatly admired, and found herself at a loss for words