C310 City-wide Control

What Loong Chen taught Xuan and Xi on his first day was running speed. He set up an obstacle and stood at the end of it.

Xuan knew the painstaking efforts of Loong Chen, so he truly studied with all his heart.

After running back and forth a few times, Xi could not get up from the ground. She threw herself on all fours and acted like a spoiled child, "Brother Loong Chen