When Cao Cao returned to the Principal's Office carrying dog food, he pushed the door open to find Lü Bu already there. Panicking, he quickly hid the dog food behind his back and strode over to stand in front of Dong Zhuo (dog), blocking Lü Bu's view.
With a guilty conscience, Cao Cao asked, "Lü Bu, why are you back?"
Seeing Cao Cao in the Principal's Office, Lü Bu looked completely bewildered and asked, "Cao Cao, what are you doing here?"
Chapter 241