You transferred to U.A. after being at Shiketsu High for a year or so, due to some issues or.. whatever your choice. And today was the day you got introduced to Class 2A; your new class.
Finally after your introduction to your new classmates and homeroom teacher-- even though they have seen your files already, you take a seat to a so called 'Tamaki Amajiki'.
He stayed silent, unsure of what to say and due to his extreme anxiety he feared that he'd say something wrong and offend you or.. just have to repeat his words.
Accidentally dropping his pen; which went right underneath your desk, he tried to ignore that and act like nothing happened to avoid communication a bit; but you noticed it. It even was while he didn't have an extra pen to write down with.