Don't bother asking where this crazy idea came from, because I don't know either. Contains body-swapping, eventual Advanceshipping and side Contestshipping.

Disclaimer for the whole fic: I don't own Pokemon or its characters. I'm just borrowing them to write this. And force them to fall in love.

Heart Swap

Prologue

Many people may not know this, but Manaphy has powers that people don't know of. Due to his legendary status, he can see things that go on outside of the ocean that he called home. Using the ends of his antennae, he creates a picture and can watch the world go on around him, like a television screen. When he had first realized that living in the ocean to protect the Sea Temple meant never coming back up to the surface for several years or more, he had been devastated. After all, underwater life can only be fun for so long before you start longing to live above land. Of course, due to his genetic structure, he can't live outside of the ocean for very long, so technically it's a moot point, but hey, he's got the mind of a child, so it's better not to really question things like that.

Most of the time, he would watch the travels of his mother, May. OK, May wasn't his biological mother, this much he knew, but she had been the first person he had ever seen upon hatching, so he loved her like as if she really was his biological mother. He would watch with interest as she competed in contests and hung out with the other people traveling with her. Manaphy wished that he could travel with her, but he knew there was no way that it was going to happen. But...

At least Daddy was with her. That way, they could be happy together without him, like it had been before.

Daddy had been the second person Manaphy had spotted, and due to how close he seemed to be with his Mama, naturally that had to mean that he was Manaphy's father. Not biologically, of course.

But as the days progressed of him watching their adventures, Manaphy suddenly noticed something. There was a boy with green hair that kept appearing every now and then, flirting with his mother. Everytime he watched, Manaphy couldn't help but fume. How dare he flirt with his mother! Right in front of his father too! But for some reason, his mother and father never seemed to see anything odd about it. (Actually, that's untrue. He did notice that his mother would blush and his father would look rather envious.)

But then the worse came.

His mother was going to leave the group and travel on her own to a place called Johto in a few weeks. No, she hadn't told them this yet, but he heard her say it to herself one night. And he knew that somehow, that green haired boy was involved. She was going to leave Daddy...

Manaphy realized he had to do something to prevent this from happening. He didn't want his mother and father to split up. Maybe he could contact one of the legendaries to help him.

But needless to say, Manaphy was very disappointed in his mother.

.:.:.:.:.:.

"I'm very disappointed in you, Mama!"

May jumped nearly a mile at the sudden voice.

She was dreaming, that much she knew. A moment ago, she had been having a dream where she was running toward something, surrounded by darkness. It appeared to be a boy whose back was to her. No matter how much she ran, she never came closer and the boy never seemed to turn around. All May knew was that this was important to find out who he was, yet there was something very familiar about him. Lately, it had been a recurring dream.

But then, quite suddenly, a voice had rang out and the scenery changed to something similar to the ocean. She didn't even debate on how she was breathing underwater, clearly this was still part of the dream. And there, floating in front of her, was Manaphy.

"Manaphy?" May asked, very confused as to why it was in her dream. "How are you in my dream?"

It didn't appear to be happy, as it had its arms crossed and it seemed to be pouting. "I got help from Cresselia. But that's not the point." it added before May could ask who Cresselia was. May was amazed to see that in the short time of their seperation, Manaphy appeared to have learned more words to say. As if it knew what she was thinking, Manaphy added, "And I can speak better due to lessons with some of the ocean Pokemon."

Manaphy straightened itself upright a little, as it had been slightly slumped over as it repeated itself. "As I was saying, I'm very disappointed in you, Mama!"

"W-why?" May asked.

Manaphy pout deepened and its face seemed to almost turn red in apparent anger. "You're planning on leaving the others! You've been cheating on Daddy!"

"How do you know about that?" May asked in regards to her plans of going to Johto, before the full weight of what Manaphy said hit her. "...Daddy?"

Manaphy rolled its eyes in a rather uncharacteristic manner. "I know everything. I've been watching from where I live in the ocean. And I can't allow Mama to do this. It would make me and Daddy very upset if you left."

"What are you talking about?" May was very frustrated at this point. What in the world was Manaphy talking about? She was very confused.

Manaphy's antennae ends suddenly started glowing a bright red color that threatened to make May go blind. "I have to do something to make sure you can't leave yet. It may seem drastic, but it's the only plan I've got..."

May put her arms up to shield her eyes. "What are you-"

"And you can't change back until both you and Daddy end up together forever and ever. That way you'll have no reason to leave him! And then my family will not be broken up and someday we can live happily ever and after together!" Manaphy continued on loudly, ignoring May, who had missed part of Manaphy's plan.

Suddenly the light was too much and May couldn't see what was happening. Everything turned white and a very sad, apologetic voice quietly spoke, "...I'm sorry."

.:.:.:.:.:.

"Manaphy!"

May had accidentally shouted out loud when she woke up. She looked around the room, seeing Brock and Max asleep on her left in the other bunk-bed. She sighed in relief when she realized that she hadn't woken them up. She sat up, looking up at the wall across from her in thought. What a strange dream! Why did she have such a dream with Manaphy in it?

There were so many questions going through her mind at this, but the most important one that had her stumped was...

"What did Manaphy mean by 'Daddy'?" May asked aloud, not expecting an answer.

But then...

"Pika?"

May looked down and noticed for the first time that Pikachu had been laying on her legs, apparently sleeping until she had woken it up. It was looking at her with a general confusion. But...

"Pikachu? Why are you sleeping in my bed? Aren't you sleeping with Ash?" May couldn't help but ask.

Suddenly Pikachu looked very scared, as if May had grown a second head.

"...What?" May asked. "Is there something wrong with my face?"

Very slowly, Pikachu shook its head, stiffening slightly. May frowned, starting to reach a hand out toward it. "Pikachu, what's wrong?"

But then May stopped when she noticed her hand. It seemed more masculine than it should be and it was more tan than her own hand. Very slowly, she raised her hands in front of her face.

"...These are not my hands." she muttered. Pikachu looked even more confused by this now.

May then noticed, for the very first time, how...flat, for lack of a better word, her chest suddenly felt. As she placed her hands against her chest, it took all her willpower not to scream at her apparent lack of boobs. And then she carefully looked up, above her, noticing that she was on the bottom bunk, when she had originally been on the top bunk. She slowly climbed out of bed and carefully climbed up the ladder. She had to hold back a scream when she reached the top.

For there she was. Her body, anyway. She was asleep in the same position she had been laying in before.

"W-what in the world is going on here!?" May had to contain herself to not waking up herself or the others.

Then suddenly, a thought came to her.

"...Where's Ash?" she asked aloud. If Brock and Max were over there asleep, and her body was right here...then where did Ash go?

And then, as she slowly turned to face a mirror nearby in the room, the horrible truth hit her.

I'm...I'm...

His face was staring back at her, looking horrified beyond all belief.

I'M IN ASH'S BODY!!

The May in the bed suddenly woke up, sitting up to look around. And then it caught sight of the May in Ash's body on the ladder in front of it.

"W-what the-"

May looked around at her own body, sensing the familiar sense she got when around Ash. So that meant...

Ash was in her body...

She found herself screaming, causing Ash to jolt forward with a start and toppled off the bed, screaming as well as he smacked into her on the ladder and the two collapsed on the floor painfully, the identical screams of horror and outrage echoing all around the Pokemon Center...