C168 Air Insufflation

"Sis Zheng Shuang, you should prepare yourself."

"No need, no need, let's start running …"

"Alright then." After Chen Xiaosi finished speaking, he slowly started to run forward. Pann Xiao'e and Tian Tian followed suit, and Zheng Shuang also followed suit with big strides. But after running for two hundred meters, Zheng Shuang was no longer able to keep up, she was panting and sweating profusely