I have days like this too...

In the classroom.....

도겸

Oh! The female protagonist was here first.

여주

Oh, hi

도겸

Hey... I don't see anyone sitting next to me. Can I sit down?

여주

...okay

도겸

thank you

도겸

Oh!! It's over

여주

What is next period?

도겸

Math!! Let's get out our math books quickly.