Author's Note: I'd just like to point out that this story revolves around themes that explore erotica, dark romance, infidelity/adultery, betrayal, and hurt. It's not meant to offend anyone, it's just what I consider mature writing. If any of you awesome readers are interested in reading a klena fanfic with more complicated plot development and action, I suggest "Wicked Games." I wrote it many years ago, and although the ideas and pairings were epic, the quality of my writing then was not as rich and enhanced as it is now. So apologies in advance for all the massive errors in my writing technique. The next klena fic that I published was a story I co-authored with my friend Amber, called "The Depth of Love." I recommend that story if you enjoy dark erotica. As for this story, the plot's not complicated, but I'm making the focus on cheating and the consequences of falling in love with someone who is taken. Thank you to everyone who has left me wonderful reviews and is being so supportive. I truly appreciate that :)

-M

Chapter Rating: NC17

Spoilers:

"Righteous, holy Elena." He goaded her. "Get off your high horse and get a grip on reality, love."

Unfaithful

Chapter Three

There was so much awkward tension between Klaus and Elena that even her friends had started to pick up on it.

"Did you guys fight or something?" asked Care, while she loaded the dishwasher.

Elena was helping her, and she felt so horrible for keeping this secret from her. She knew that if she told Caroline, she would lose her friendship with her forever. There were some things a person could not forgive, and this, was one of those things. She had slept with her best friend's man, and the worst part was that Elena wanted more.

"Well?" said Care, as she closed the dishwasher.

"Yeah, we sort of had a fight."

"I knew it. What was it about this time?"

"You know—stupid trivial things—like speeding."

"I'll have to have another chat with him. I'm sorry, Elena. I shouldn't have pushed him to go with you."

Please don't apologize to me, Elena thought to herself. I should be apologizing to you. I'm such a terrible friend.

"I'm going to take a shower," said Elena.

"But didn't you already shower when you got up?"

"Yes, but it's so humid today and I hate feeling sticky."

"Good point. I guess that explains why Klaus jumped into the shower as soon as he got home."

Poor, innocent Caroline. She was so oblivious.

Maybe I really am like Katherine, Elena despaired as she walked out of the kitchen.

~oOo~

Caroline hated how moody Klaus was all evening. She kept trying to get him to open up to her and tell her why he liked to pick so many fights with Elena. But in the end they wound up having an explosive argument outside, which left Caroline in tears. She couldn't stand the way he'd snap and lose his temper.

Elena had been sitting on the couch with her friends, drinking a glass of wine when she noticed Caroline storm inside and slam the screen door behind her.

"Looks like they've had another fight," said Bonnie.

"Like they always do," Rebekah sighed.

Before Elena could get up, Bonnie went after their friend to make sure she was all right.

"I can't blame her," Bekah added. "He really is a handful. No one can tame that hybrid temper."

Elena frowned and gulped back the rest of her wine before she set it on the coffee table and got to her feet.

"Where are you going?" asked Matt.

"To tell off one bad tempered Hybrid."

She knew she was the biggest hypocrite, but Elena had promised herself that she would atone for her sins and would never ever repeat what had happened earlier that afternoon.

~oOo~

She found him standing on the porch, looking out at the water in the distance.

"I don't want to talk," he said.

"I'm not here to listen to you talk. I'm here to lecture you."

Klaus met her cold gaze and scowled. "You're the last person to tell me how I should treat my fiancé."

"You need to stop losing your temper."

"She cries all the time!"

"Not everyone can be insensitive like you!"

"You forgot to include yourself, sweetheart." He smiled condescendingly.

"Don't go there, Klaus."

"Righteous, holy Elena." He goaded her. "Get off your high horse and get a grip on reality, love."

Had he spoken to Caroline like that, she would have surely been in tears. But Elena's expression remained unfalteringly stone cold.

"We're not all that different, you and I," said Klaus as he edged closer to her. "We both possess the ability to break the people we love… We self-sabotage… Tell me, how many hearts have you broken, Elena Gilbert?"

"A lot less than you have."

"Fair enough—but if given the gift of immortality I'd say you'd even the playing field with me. Perhaps you'd take the lead, I dare say."

"I'm not Katherine."

"Maybe I should turn you and find out for myself." He reached for her hand, but Elena quickly recoiled.

"What are you doing?"

"What does it look like I'm bloody well doing?"

"Do you want us to get caught?" Elena said in a hushed tone.

"Maybe I do."

"You're insane!"

"Perhaps I am!" He grabbed her wrist and yanked her aggressively toward him before he trapped her against the railing.

Elena gasped when she felt his hand slide up her skirt and press against the very area he had intruded hours earlier.

"What are you going to do about it, Elena?" Klaus whispered in her ear while he rubbed her sweet spot. "We both know you prefer me this way—unhinged and wretchedly selfish… just like yourself."

"Stop it," she breathed, resisting her arousal.

Anyone could have walked out and witnessed what he was doing to her.

"Why are you doing this, Klaus?" Her eyes were pleading for mercy, but he continued the torture and made her body tremble with pleasure while he rubbed her down below.

"You're a bloody cock tease," he murmured. "You've always been a cock tease, and you know it."

"Please…" She begged once more and stifled a whimper. Elena's blood was racing.

I should have stayed inside. Why did I come out here?

Because you knew this would happen, another voice answered in her head. You wanted this. You want him, and you don't care who gets hurt.

I do care! I don't want to devastate Caroline! I don't want to do this with him!

Then stop him, said that same voice.

Klaus slipped a finger inside of her and she nearly moaned in ecstasy as she held onto his collar. Her breathing had become more labored and she kept worrying about getting caught. But she couldn't find the strength to make him stop.

"You're so wet, Elena," he teased. "So wet and ready…"

"I hate you so much…"

Her nipples had hardened and were visibly protruding through the cotton fabric of her halter dress. When she heard Jeremy's voice calling out to her, Klaus finally withdrew his finger and tasted her sweet juices before her smirked and placed a safe distance between him and Elena.

"Hey, are you all right?" asked Jer as he opened the door and found his sister.

She was desperately trying to collect herself. Klaus had turned her on to the point of orgasm and now she had to act like she wasn't turned on beyond comprehension.

"Um, yeah." Elena fidgeted. "I'm fine. We were just, uh—having a chat."

Jeremy turned his attention to the Hybrid and glowered at him. "Quit being a dick."

"Noted, little Gilbert." Klaus smiled sardonically.

"Don't stay out here too long," he said to his sister. "You'll get eaten alive by mosquitos."

"I'll be right inside." Elena reassured him.

A few second later, someone turned on some tunes, which made it easier for Klaus and Elena to argue without being overheard.

When Jeremy left, she scowled at Klaus. "Stop assaulting me like that!"

"You like it. In fact, you love it."

"You're a selfish, chauvinistic, pig!" she seethed.

"And you're a horny little whore!"

Elena slapped him hard across the face.

"Bitch!" he growled.

Slap!

"Slut!"

But before she could slap him again, he caught her wrist and kissed her hard. He was a true Alpha, through and through. He took what he wanted and claimed his territory, regardless of all the "rules he was breaking." Now that they'd had sex, he viewed Elena as his property—no one else's. She was marked: claimed.

Elena tried to pull back and pounded his chest a few times, but he only kissed her more aggressively and forced her into submission. The Hybrid had an indescribable ability to influence her mind and body without much effort. When Klaus finally decided to allow her to breathe, she stared into his eyes and looked extremely cross with him.

"Why won't you listen to reason?" She frowned. "You're not thinking clearly anymore, Klaus."

"Of course I'm not! How can I think coherently after—" He stopped abruptly and exhaled his frustration. "I want to tell her the truth."

"No good will come out of that!" Elena tried to speak as softly as possible so that no one would eavesdrop. "It's a lose-lose situation for all of us—me, you, Caroline. If you really think I'm just going to jump into bed with you after you break her heart, you're dead wrong! I know you like to label me as a 'whore,' but what we did was a monumental mistake! I hadn't even slept with anyone else since Stefan and I broke up! How dare you slut shame me when you've been the biggest immortal man whore!"

He did feel bad about hurling such a humiliating insult like that at her, but she drove him crazy, in a good and bad way. Before he could try to apologize, Elena escaped his clutches and went back inside. Klaus knew that he had messed up big time with Caroline. He wanted to explore a relationship with Elena, even though she was adamantly against the idea. It stung a bit to know that she didn't find him worthy of being taken seriously aside from being an exceptional partner in the bedroom. He thought he'd always hated her, but he was wrong. Klaus just couldn't figure out when his feelings for her had started to soften.

~oOo~

Later that night when everyone was sound asleep, Elena lay awake with a pillow over her head. Caroline's moans could be heard in the room next to her, and the headboard of their bed kept slamming against the wall. It certainly sounded like she was having amazing sex, but for Elena it was torture. She felt angry, jealous, betrayed, and hurt—even though she had no right to. After all, she had been the one to repetitively tell Klaus to get over what happened between them and remain faithful to Caroline. A tear rolled down her cheek as she shut her eyes and tried to drown out the sex noises.

Meanwhile, over on Klaus's side of the wall, he was fantasizing about making love to Elena the entire time he was thrusting into Caroline. His eyes were closed and he dared not utter the doppelganger's name, but inside his mind, his fantasy had taken control of his every desire. He placed a hand over Caroline's mouth and tried to mute her uncontrollable moans as he worked his way to release.

Once they were both satisfied and spent, he collapsed beside the blonde, and tried to catch his breath. Caroline cuddled up close to him and kissed his chest, feeling blissfully content.

"Mmmm," she purred. "I love makeup sex."

Klaus stayed silent and felt a twinge of guilt eat him up inside. For the first time in all the months he'd dated Caroline, he realized that every time they had had sex, the first person he thought about, seconds before he'd come… was Elena. It had never been Caroline.

"So sleepy." She yawned. "Let's get some rest. Goodnight, babe."

It didn't take very long for Care to pass out, but Klaus was still wide awake and troubled as ever. He felt so conflicted. He intentionally had loud, vigorous sex with Caroline because he wanted to get back at Elena. But now he felt dreadfully bad, and there was nothing he could do about it.