All characters and places belong to Jo Rowling. Fairy Tale characters belong to their respective creators. I am only responsible for blending the two together.

-- AN -- I have revised the story a very small bit, to get rid of the strange type that kept popping up, and to fix little bothersome sentences that have bugged me for a while. This is my favorite of all my fanfictions, so please enjoy reading it as much as I have enjoyed writing it.

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It all started in Potions class the week before Halloween

Hermione, Ron and I were late to class. Peeves had blown all the dungeon torches out and we had to feel our way through the pitch-blackness towards the Potions classroom with Peeves' devilish cackling in our ears.

"Ickle students can't see a thing'sy!" he sang until we finally found the correct door.

Snape, though, was far less amused than Peeves at our troubles finding the classroom. We were more than a few minutes late, so he had no choice but to let us work together that day since everyone else in the class had already started their potions.

"Fantasy Tonic," he slurred at us as we took our seats. "Because of your lack of responsibility when it comes to tardiness--" he took his wand and put it over his shoulder and erased the words on the board behind him, "--it is up to you to find out what this potion does and how to create it." His lip curled into a smirk at Ron's blank stare. He turned away, his bat-like robes trailing behind him.

"Fine," Ron said. "Fantasy Tonic. Hermione, what is it?

"Why do you expect me to know everything all the time?" she said indignantly.

"Because you always do know everything all the time," I pointed out. Hermione looked sour for a few moments, then settled into her chair.

"Fantasy Tonic is a love potion," she said, "but instead of making someone fall in love with you, you turn them into a fairy tale character of your liking, and they see you as their princess... or knight in shining armor."

"What if you don't like the person you use it on?" Ron laughed. "Do they turn into a troll?"

Hermione didn't smile. "They'll become a fairy tale creature that has nothing to do with love. Haven't you read Hogwarts a Hist..." Hermione shook her head. "Never mind. The point is, there was once a boy here who got turned into a gingerbread man because his ex-girlfriend wanted to get him back for kissing her best friend in the library. The girl's best friend accidentally ate the gingerbread man, which killed the boy."

Ron's eyes lit up. "That's in Hogwarts a History? Maybe I'll finally give that book a try!"

Hermione glared at him because of his lack of remorse, and opened her potions book.

We began to create the tonic, adding the tiniest bit of unicorn hoof and toad toenails to the brothy mix.

"Remember to be careful," Snape reminded the whole class, letting his gaze settle on Malfoy for a few seconds. He and Goyle were popping the large bubbles of the tonic with their wands. I suspected if it was us, we would have gotten points taken away faster than you could say "Love Potion."

I don't remember exactly what happened, or in what order. Crabbe ran out of toad toenails, because he was hunched over, stupidly chasing Trevor the Toad across the dungeon. Neville was irate, shouting at Crabbe to stop.

On the other side of the dungeon, Dean Thomas yelled "NO!" and there was a loud explosion. Seamus Finnigan managed to add some unneeded ingredients and had gotten himself splattered with the tonic. While some of it covered his face, most of it was in a goopy puddle in the middle of the floor.

Snape didn't seem to know which disaster to go to first, but it didn't matter because Crabbe followed Trevor under one of the tables, knocking his cauldron and all of its contents into the middle of the room, combining it with the contents of Seamus' and Dean's mixture.

The potions sizzled and spewed thick purple smoke. It expanded quickly, seeping into the hall and out the small cracks in the ceiling. The smoke kept coming, filling everyone's lungs with thick, sweet goo.

It created enough smoke to engulf the whole of Hogwarts Castle, affecting everyone in and around the school, for after that, nothing was the same.

The smoke cleared, and my head was pounding. I must have passed out for a while because I woke up alone on the dungeon floor.

"Hermione?" I called. "Ron? Where are you?" I rubbed my head and stood up. Nobody answered.

"Hello?"

I went to the door, and opened it slowly.

I cursed as Snape's angry face appeared in front of me. I thought he was going to take points away for foul language, but he just stood there for a few long moments.

"Are you..." he asked slowly, "Little Red Riding Hood?"

I looked for some kind of humor in his expression, but remembered that this was Snape and that no such thing existed within him.

"No," I answered.

"Grrrrrm!" He grumbled, and stormed away down the corridor.

Thinking that was the most odd and unusual thing I had ever heard in my life, I went up the corridor away from where Snape went and toward the stairs. I got to the stairs, where seven small first years were intently picking at the stone walls.

"Hello?" I said.

"Hi-ho!" one answered cheerily, and continued picking at the rocks.

I tried to ignore them as I went up the stairs. Everyone was acting very strangely. My next class was Transfiguration, but I wasn't even sure if it was still time for Transfiguration.

I climbed up the staircases, but everyone kept stopping me along the way, asking very strange questions.

"No, I'm not on my way to Nottingham. No, I don't know the muffin man."

I finally reached McGonagall's room, but nobody was there. In fact, the desks weren't even there. There was one table covered with a large robe, with someone sleeping underneath it as if it was a bed. I let my curiosity get the best of me, and walked into the room to see who it was.

It was McGonagall. Her eyes opened slowly.

"Red?" she asked weakly.

"Huh?" I answered.

"Is it you, Red? I'm sick and I need something to eat." McGonagall sighed. "Grandma needs something to eat..." She went back to sleep.

I turned to leave, when I saw Snape peering into the door. He growled, and shut the door, leering at me.

Suddenly, I realized what was happening.

Everyone in Hogwarts was affected by the Fantasy Tonic, except for me. It was up to me to set things right again.

Snape stalked by the door again, and I could hear him muttering about eating Grandma.

Remembering Hermione's story about how dangerous the effects of Fantasy Tonic could be, I realized that setting things right wasn't going to be as easy as I thought.