Older siblings who bully when the parents are away tend to forget one thing — the younger ones always have the sympathy factor on their side.

So when a kid was hit by her older sibling while their parents were out and knew the evidence would be gone before they got home, she came up with a plan to make her sister got the punishment she deserved.

Keep reading for the full story.

How to get a sibling in trouble (tried and tested)

So this happened when I was 11. My older sister (13) was in charge of the house while my parents were out grocery shopping.

We used to fight a lot, and being left alone was even worse — because that meant she could do whatever she wanted to me and still get away with it since I had no proof.

But one day, her sister did something especially cruel.

This fine day, however, when my sister slapped me across my face, I decided I had had enough.

Now, the slap was hard enough to leave some redness behind, but I knew that would disappear before my parents came home.

That’s when this kid decided she’d stop at nothing to get her sister in trouble.

So, being petty as ever, I kept slapping myself in the same spot at intervals to make sure the redness stayed for my parents to see.

Needless to say, my plan was successful — special shout-out to the crocodile tears.

Her plan worked like a charm!

My sister got a good scolding and didn’t hit me again — for a while.

Bet her sister wishes she would have been a bit more gentle.

What did Reddit have to say?

This commenter found the revenge a bit unnecessarily brutal.

What about a pinch instead of a slap?

It’s very possible she overdid it a little.

The older sibling may have started the fight, but the younger one sure finished it!

If you liked that post, check out this post about a rude customer who got exactly what they wanted in their pizza.