C501 The world has changed so much!

Huh?

Challenge Letter?

This time, not only Du Chunfeng, everyone who was watching was stunned.

Du Chunfeng pointed to the pink letter in the girl's hands and asked incredulously: "This is the challenge letter?"

"Yeah."

The girl had a serious expression on her face, "Brother A Hao is from Taekwondo, he heard that you beat Chen Ah Hu and was very interested in you