Witness of the Dark

by TheStupidSheep

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I don't own Shingeki no Kyojin.

Eren was making out with another girl… Again.

As she walked to the women's bathroom, trying not to touch the sweaty people dancing around her, tears came down her face. It was stupid how much his attitude brought her down. She should've gotten used to it, should've understood the idea long time ago, but her heart insisted in going back to him, even when her feelings weren't reciprocate.

Her knee high boots made echoes as she entered the bathroom. She went into a cubicle and sat on the toilet, crying her eyes out. Her wails weren't cushioned like the music outside the room, and this made her feel worse. She hated crying, hated to feel weak. The fact that her best friend did it even without knowing was almost hilarious.

She was supposed to be happy. Damn, she won a fucking gold medal in the individual dance competition that morning. After months and months of practicing, she did the perfect performance she craved for every day. Her friends screamed and went crazy after she won the first place. It was a tough competition, a lot of dancers from different countries and academies participated, but she showed all her talent and charm in every step she took, surprising all her opponents. As if this wasn't enough, she also won silver in the pax de deux she danced with Eren. They could have won gold, but they lacked of chemistry. Like always, Eren didn't show the same emotions she did when they danced together. This broke more her heart.

Stupid, you're stupid.

She gasped for air, trying to calm down.

Her cellphone rang. It was Historia.

Sighing, she turned off the device and picked up her legs, resting her chin in her arms and her arms in her knees. Then, she closed her eyes.

Someone broke into the bathroom violently just when she was starting to feel her heart getting slower. A mix of gasps and little moans followed, all of them coming from a woman.

Mikasa frowned. What the fuck? The club had rules that were very clear: No cuddling in the bathrooms. Didn't they know they had a damn hotel above them? It seemed like this horny couple couldn't resist themselves and had to finish the job here. So she stayed still, trying not to let the sounds they were making affect her. When these became louder and louder, Mikasa's body started to betray her, feeling like she was burning in hell after a male groan reached her ears. She thought of going out of the cubicle and screw up their horny moment, even imagined herself scolding them, but these ideas faded slowly when another male moan was heard in the place.

Oh, God. What am I doing?

They were going to fuck there without knowing Mikasa was listening to everything. It wasn't like they cared, anyway. After all, it was a fucking public bathroom. She put her hands in her flushed face. Her body was aching there, between her thighs, and she could feel her breasts getting sensible with every passionate breath. Still, she didn't move, just sat there, listening, her heart beating faster and faster, her skin bristling with every little sound he did.

She didn't lie to herself: her curiosity was the main reason she stayed. Mikasa never had anything with anyone. She always focused in her responsibilities and even when she liked Eren, she didn't let that affect her when she was training or studying. Still, she remembered two times when she was alone in the dark and her curiosity leaded her to watch porn, not because she felt in the mode to, but because she was curious about how it felt to have sex. She ended frustrated, the material not being what she was looking for.

This time was different, this time she almost could feel the smell of sex going into her nostrils and making her dizzy, making her feel she was the woman he was about to take, the desperation and eagerness in the woman's voice as she craved for his co…

She opened her eyes, shocked.

It was then than the sounds changed.

"What are you doing?" Asked the woman. Her voice was very, very sensual, and Mikasa frowned when she discovered how her legs were starting to go down the floor to stand up and get closer to the voice. "Hey, stop. I told you I didn't want to… Stop" The voice was so, so captivating… It felt like she was being called by it, like she was getting trapped in a hole of pure lust.

What the hell…?

She put her arms around her legs, making them stay on the toilet. Eyes wide open, she tried to see what was going on through the small slit of the cubicle. At the beginning, she didn't understand the picture in front of her. She narrowed her yes this time and, finally, she saw the figure of the couple.

The man was giving Mikasa his back, and he had the woman's arms over her head, her body facing the wall. He was wearing a black overall and had an undercut. He looked very, very muscular despite his height.

He was kissing the woman's neck. That's what Mikasa thought when she saw his head between her head and shoulder… Until the woman screamed in horror and he covered her mouth in an unbelievable fast move.

A series of weird, fast and unbearable movements followed. Mikasa's lips opened in a terrified expression, awareness hitting her like a firetruck. She didn't believe in fairy tales or legends. She could remember when, being a teenager, she got a little obsession on Dracula, but nothing else. They were pure entertainment, stories that a grandma would tell her grandchildren to amaze them and make them laugh, stories that would be part of someone's hobbies.

And still, believing it or not, the man was drinking the woman's blood. She saw how he pushed her against the wall, forcing her body to stay still even when she put on resistance. Her hands tried to get him off of her, but it was like trying to move a mountain, and Mikasa sensed it. She wanted it to be a joke, a very realistic prank, and then he growled, hitched his fingers in the woman's arms until they teared apart her skin and sucked more.

It was real, thought Mikasa, as her blank face got away of the slit, her instinct telling her to be quieter than ever if she wanted to live. She couldn't see his face, but she was able to see how his head moved as he took out all the female's blood, she was able to hear the sound of his throat swallowing the red liquid.

So she stayed silent. Silent until the woman dropped her last sound, a painful clamor that shook Mikasa's body. Silent until the monster moaned one more time and his body betrayed him, twitching slowly as pleasure went through him. Silent until he gasped for air and another growl came out of his mouth.

Don't move.

Mikasa wasn't thinking in anything else, just in how much she wanted to live. She didn't care the fact that her life was in danger because of a vampire, she cared that her life was in danger and nothing more. She felt selfish, even stupid, thinking that way when a creature that was supposed to be a myth was no more than ten steps away from her, but her mind only rounded around it, around surviving against this monster.

The sound of a body being dropped in the floor made her startle.

And then, on the other side, the silence was made too.

Mikasa hid her face on her legs and covered her head with her arms in a very slow move, pleading in silence her clothes didn't do much noise. She stayed there for what it felt like an eternity, fear her only companion. Even worse, the feeling grow up and up, her mind telling her that the creature was still there, watching her, teasing her, knowing since the beginning that a little, weak human witnessed everything.

I'm going to die here.

Was she?

And as this thought betrayed her brain, someone opened the door of the bathroom.

"Mikasa, are you here?"

She straightened, opening her eyes. She knew that voice very well. Jumping off of the toilet, she opened her cubicle and crashed with her trainer, Hange Zoe. The woman grabbed her shoulders and checked her from head to toe.

"You scared us! We've been looking for you the last hour. What were you doing here?"

Mikasa didn't answer. She just looked around her, searching for any hint of what happened, but there was no one, no fucking one, only Hange and her. Still, it felt wrong.

How's possible…?

"Mikasa…?"

She shook her head and blinked.

"I'm sorry, what?"

"Are you OK? You look like you just saw Jean's balls."

Mikasa smiled, but the smile didn't reach her eyes.

"I'm OK." She looked around one more time, and then put her eyes on her coach, that walked towards the mirror to check her eye contacts.

"Hange?"

The woman turned around, staring at her favorite dancer.

"Yes?"

"Was here… was here somebody when you entered?"

She shuddered, hold Mikasa on her left forearm and started to go out of the place.

"No, only you and me. Why?"

Because a man… a vampire was here with a woman that he killed after he sucked the hell out of her blood.

Mikasa let her trainer guide her through the people on the dancefloor, her mind centered in the same scene again and again. The music was only a buzz in her ears and wherever she saw, she had the feeling that she was being stalked.

She felt helpless and indescribable fragile.

When they reached their friends, Hange turned around to see her with more attention again.

"Mikasa, are you sure everything's OK?"

But even when the world seemed to spin, when the ghost of horror danced through her veins and arteries and the word vampire went on replay in her brain, the only thing that Mikasa couldn't forget now was how he growled, how his body moved against the woman with obvious pleasure.

"Everything's OK."

She discovered, in the middle of her celebration after a triumph, what she truly wanted.

She discovered she wasn't normal at all.

Yaaaaai, a Vampire AU. Hope you like it.