Chapter 185: Awkwardness?

Zong Zhengyu stared at Mu Anan, who was sitting obediently in front of him but her expression was a little stunned. He changed his sitting posture slightly.

He crossed his legs and placed his hands casually on his thighs.

He said, "This has to start from the difference in body structure between men and women."

Seventh Master's voice was especially cold.

Mu Anan's brain had been unable to keep up ever since Seventh Master said he wanted to talk.

At this moment, when he heard that Seventh Master was about to talk about the contents of the biology textbook seriously, she finally came back to her senses.

Mu Anan blinked but did not say anything.

Seventh Master continued, "It's because of the difference in the body structure between men and women that..."

Mu Anan still didn't say anything and secretly observed Zong Zhengyu's expression.

As usual, he was serious.