http://chibitami.net/works/flash/ci.....ing/index.html

Can you take the heat?

Here are the instructions: You'll be given a series of addition equations. Answer the questions INCORRECTLY if they equal to any number that isn't 9. Answer the questions correctly if they equal to 9.

For example:
2+2=5 CORRECT
5+4=9 CORRECT

Go ahead and see if YOU'RE a Cirno. :3