C100
After hearing what Qiao Zi'an said, a knowing smile appeared on Yan Zirong's face. The smile on her face became wider and wider. Seeing that Yan Zirong was smiling, Qiao Zi'an couldn't help but smile.
"What are you laughing at?" Qiao Zi'an asked curiously.
"Then what are you laughing at?" Yan Zirong asked.
"I was looking at you smiling, so I couldn't help laughing." After saying that