A/N: Okay, explination time. Some time ago dumas, one of my most reliable viewers, requested a FOP/OP crossover. Since have a whole lot going on back then, I agreed to post it after I finished Discovery. Well, here it is.

Please note, however, that updates to this fic will be sparse. I'll be working on my mainstream ideas more frequently. Now then, sit back and enjoy the prolouge!

Disclaimer: Fairly Oddparents copyright Butch Hartman, Federator, Nickelodeon and Viacom. One Piece copyright Eiichiro Oda, Shonen Jump, Toei Animation, 4Kids and Funimation. I don't own either.

If there was one thing everybody immediately noticed about Timmy Turner, it was the fact that he wore pink.

But the second thing was the fact that he wore his heart on his sleeves. When he was happy, his grin reached ear to ear. When he was sad, he cried a river of tears. When mad, his face became red with rage. And when smitten, he would practically float into the air with hearts floating around his head whenever he saw his crush.

So it was no secret he had a crush on Trixie Tang. However, it was a doomed romance, or so everyone said. She was queen of the school, the top of the food chain, much too good for the boy with the silly pink hat who was seen whispering to animals and inanimate objects.

However, the third thing everyone noticed was he was stubbornly persistent, refusing to acknowledge the high improbability of his chances and continuing, nearly unrelentingly, toward his goal.

Which is how he ended up in his current situation: entering his room with dirt in his mussed up hair and bee stings all over his body.

About a half hour earlier, he had attempted to serenade Trixie outside her bedroom window.

Trixie responded by pulling a lever, activating a concealed spring beneath his feet, sending him souring into a nearby bush.

A bush which, in some sort of cruel cosmic joke, contained a beehive.

Timmy though he must have set a speed record for the distance between that bush and his house, because he ran the whole way with several unhappy bees on his heels. He barely got in the door without letting any of the pests in.

So now, he entered his room and flopped down on his bed, completely exhausted. A few seconds later, the fishbowl next to his bed what only a few people knew about Timmy Turner: his fairy godparents, Cosmo and Wanda.

"So, did the serenade not work, or are those the bee stings of love?" Cosmo asked, his usual glee still apparent.

"No, Trixie turned me down again! Maybe I sang the wrong song," he mused.

Wanda rolled her eyes while using her wand to heal Timmy's stings. "You know, maybe you should forget about Trixie and give another girl a try. You know, maybe one that already likes you…"

The pink haired fay gave no names, but her godchild knew instantly who she was suggesting.

"No way! Tootie may be nice, but she's still way too creepy. Now, let's get back to the matter at hand," Timmy said, brushing off the suggestion. "What do I do to get Trixie to like me?"

"Good question," Cosmo said, "and for all questions, we turn to TV for the answers!" With that, he summoned a magic remote and used it to turn on the television next to his godchild's bed, the magical radiation causing his hair to fall out.

His wife gave an exasperated sigh. "Cosmo, do you really think something as complicated as love can be answered by a TV show?"

"Hey, look at this!" Timmy exclaimed, catching the two godparents' attention. "It's an anime about a girl who travels to feudal Japan and meets a half demon."

"They sure do seem to like each other," Wanda noted.

"Yeah, but at the beginning of the series, they were practically trying to kill each other." At that point, a light bulb went off over the young boy's head. "Hey…" he said, flipping the channel to a new show, this one also originating in Japan.

"And in this show, there's a kids who trains a bunch of fighting creatures traveling with a girl who also trains fighting creatures. At first, they hate each other, but by the time she's written off the show they're in love.

"Whenever two people who hate each other are forced to spend time together, they fall in love! That's it!"

"Timmy, those are just foreign cartoons," Wanda impatiently pointed out. "They have no bearing on real life!"

"Maybe they can," Timmy said with a familiar glint in his eye. "I wish me and Trixie were transported to a world like you'd find in an anime!"

"Timmy…" the pink fairy began slowly, "remember that talk we had about thinking your wishes through? I mean, if you just stop a minute and…"

"Done!" Cosmo said, powering up his wand. However, Wanda managed to stop him.

"Well," she sighed. "If we're going to do this, let's do it right." She waved her wand. Suddenly, a simple sword with a brown handle appeared before her. "Here, you'll need this to fight."

"I don't know how to use a sword," her godchild pointed out.

"It's a magic sword," she said. "I'll work just like the time we became your kung-fu gear. You should automatically know how to use it."

"Cool, but what about Trixie?"

"She'll get her weapon when she gets there."

"Yeah," Cosmo chimed in. "We borrowed something from another reality."

Meanwhile…

In another universe…

"Looks like Anti-Binky's causing trouble," Timmy said, calling the Light Swords into his hands. "Let's go!" he said, leading Cosmo, Wanda, Chester, and Orion out the door.

"I'll be there in a second," Trixie called, reaching for her weapons…but didn't feel anything. She looked at the table with a puzzled expression.

"Where are my gloves?"

"Awesome. So, when do we leave?"

"Right now!" Cosmo exclaimed, firing up his wand. Then, in a poof of pink smoke, Timmy Turner disappeared. About a mile away, Trixie Tang did the same thing, albeit with more surprise.

Meanwhile, in a gray van outside Timmy's house, Denzel Crocker hunched over a computer monitor, constantly pressing buttons and flipping switches. At that moment, the screen began flashing.

"What's this?" he asked as he viewed the screen. There were three words being displayed.

Magical transportation detected.

The mad teacher rubbed his hands together in sinister glee. "Finally! It looks like Turner's on the move!" he said as he worked a few more controls. "And with my technology, I can find out where's he's going!"

After a few more seconds, the monitor gave a new message.

Subject has entered an alternate world.

"An alternate world?" Crocker asked in amazement. "Think of the magic it must have! Whatever that world has, it will help me capture…A FAIRY GODPARENT!" he said, twitching wildly with every syllable.

"Turner may think I can't get him there, but just wait! Once I figure out a way in, his days are numbered!"