Before I start, I should note that the language gets a little salty in a few places. But based on what I remember about fifth grade, it's not exactly out of place.
So here we go!
Rina seemed to have no hobby besides making us miserable. On Tuesday, she filled the lunchroom with the stink of rotten eggs, created a rain storm over the playground, and made a plastic skeleton heckle our science teacher. Still Mrs. Horn was powerless. You could see the stress on her face.