You were going to the library at your university, you just needed to bury your face in the books or find a corner to rest, you were so exhausted

When you enter the library, walking a little between the huge shelves of books, you see the tables to sit at

In one of them, there is a tall boy sitting, with a grumpy face, reading an Astronomy book

He looks away from the book and looks at you. You could see his face light up and then he went back to reading the book quickly and nervously