C54 Good Sister Overturned the Scene

Yun Lanlan, on the other hand, looked like a "good older sister" and said to Lo Xi, "Xixi, you are really messing around. How can this laboratory be a place you can come to? If you draw randomly like this, the professor will definitely be angry."

Prof. Du asked Yun Lanlan with a stern face, "Do you know each other?"

Yun Lanlan quickly nodded and said, "Yes, Prof. Du. Xixi is my sister