C1645 Professor Diao Please Behave Yourself

"Call us if you need anything."

"Got it"

Su Tian asked her classmates and found Prof. Diao's location, so she walked over.

When she reached the place, she knocked on the door. When she got permission, she walked in.

"Close the door."

Su Tian did not think too much about it. Sometimes, when professors talked to students and talked about important things, they would also do the same