C305

"Principal Zhen, thank you for your hard work. You should rest first."

"Okay. Director Lu, I'll go over first then. "

"Yes."

Principal Zhen pinched his eyebrows together before turning around and heading back to his office. His steps were a little heavy. This operation took more than 8 hours and consumed a lot of energy.

Ten minutes later.

The door of the operation room was completely opened