C13

I was stunned for a moment before turning my head to look at Nangong Yun. Both of us frowned slightly. I walked to Nangong Yun's side and asked in a soft voice.

"Do you know tennis?"

Nangong Yun shook his head with a troubled expression.

"It looks like they've done a thorough investigation of our school. You won't get anything out of them. But I don't understand