C731 Qin Mo!

Lee Yifan actually wanted them to swear with their hearts of martial arts. This meant that Lee Yifan was serious and was ready to play a big game with the Qin Family.

"One word, do you dare or not? If you don't dare, then let's forget about this matter." Lee Yifan could see the hesitation on the other party's face.

If the other party really swore with his heart of martial arts