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
