"W-Who are you?" Mu Yu did not have time to pick up the mug on the table as she stood up and took a few steps backward.
"I'm sorry. I must have frightened you," the man hurriedly apologized to her while taking off his mask. He explained, "Doctor Mu, it's me."
"Sir Nie?" Mu Yu let out a long sigh and broke into a smile. "I almost could not recognize you with your mask on. By the way, why are you in the office at this hour?"
"To take over."
"Take over?"
"Yeah. Where are your notes? Show it to me."
"It's here." Mu Yu quickly handed him her notebook with both hands. "About your daughter, Xue."
"Wait! I'm down with the flu." Nie Yunkang took two steps backward and put on his mask again before receiving the notebook from her. After flipping through some pages, he looked at her. "I got it.
