C254 Trouble

Just as Yiyun was about to turn around and leave after putting away the blueprint, a familiar voice called out to him from afar.

"Yiyun!"

Yiyun immediately turned around and raised his hand to greet, "Sister Meier, I'm here!"

Not far in the sky, the Chief of Staff and Guarding Master were seen. Meier and a few others were flying towards Yiyun.

Not long after that