One interesting fnaf animation story is about the haunted animatronics in the pizzeria. They come to life at night and their creepy movements and glitches make for a really spooky tale.
The 'FNAF: Freddy's First Night' is a great one for beginners. It gives a simple introduction to the basic concept of the animatronics coming to life at night.
Definitely not a true story. FNAF is a work of fiction that takes place in a fictional world with its own set of rules and scenarios. It's all about creating a thrilling and immersive gaming and storytelling experience, not reflecting reality.
The FNAF backstory is full of mystery. There are rumors of hauntings, dark events at the pizzeria, and unanswered questions that keep fans guessing. It's a world filled with suspense and horror elements.
I'm not sure which anime you're referring to. If you can provide more information such as characters, background, or title, I will try my best to provide you with a more accurate answer.