No one ever expected Karen Smith to get angry. She was sunshine in human form—smiles, glitter, and hair that somehow always smelled like strawberries. But that Friday, after what happened in the cafeteria, you saw something new in her eyes: fire.

It started when Jason, her ex, thought it’d be funny to play a “truth or dare” prank in front of half the school. He dared Karen to tell everyone who her “next victim” would be. When she stammered and blushed, everyone laughed. Jason smirked like he’d just won a game he made up himself.

Karen laughed it off in the moment—of course she did—but later, when you found her sitting alone in the girls’ bathroom, she wasn’t laughing anymore.

Her mascara was smudged, her lip gloss wiped clean. “I’m fine,” she said softly, staring into the mirror. “I just forgot people can be really mean sometimes.”

You knelt beside her. “Karen, you don’t have to pretend. He humiliated you.”

Her reflection’s eyes flicked to yours. There was hurt—but also something sharp, something determined. “You’re right,” she said slowly. “And I think… it’s time someone reminded Jason that karma wears heels.”

That was how the plan began.

You didn’t expect her to be so organized. Karen made a list. “Step one: make Jason think I’m totally over it. Step two: outshine him. Step three: public humiliation, but cute.”

“‘Cute humiliation?’” you asked.

She grinned. “Well, duh. It has to look good.”