C612 The Battle of Butterfly Valley

Chu Zheng lightly patted his back and sighed, "Stop screaming, save some energy and let's chase after him quickly."

"Humph!" Department 4 snorted lightly. The anger on his face had not disappeared yet, but he started to swing his legs even faster.

As Chu Zheng chased after him, he couldn't help but chuckle softly and mutter, "He's indeed still a child."

After they left