A Magical Sex Fairy

The text disappears as a sentence forms at the top of the screen.

You get a package in the mail containing...

You pause and stare at the screen. This can't be real, can it? You never have been the kind of guy to believe in magic. You believe in facts, in evidence, in science. Your sisters often mock you, calling you the family cynic, a title you have to admit that you earned. But this is crazy. Finish a sentence and it'll come true? That's the most ridiculous thing you've ever heard!

Laughing at the absurdity of it all, you decide to play along. Fingers dancing on the keyboard, you type:

a magical sex fairy.

You hit enter and the sentence vanishes. A new notification appears at the top of the screen.

Thank-you for playing! Come back in twelve hours for your next turn!

Chuckling, you close your laptop, deciding to do some reading. That's when you hear the doorbell.