Forbidden Friendship: When Adrien starts to neglect poor Marinette, they end up getting more than what they bargained for at one of Paris' prestigious parties thrown by the very own Chloé Bourgeois herself.

It hurt.

She remembered that it hurt.
The moment she first saw him kiss her. It killed her.
Although it had been a few months since Marinette found out that Adrien was now dating the infamous Chloé Bourgeois, she still couldn't help but to cringe at the sight.

'I know you belong to somebody new...'

Marinette sighed as she stared at her handwriting. She immediately wanted to crumble the paper and throw it out.
She couldn't give this crap to him, especially if she was dating someone herself. She missed her friend terribly.
It struck Marinette as off that Adrien stomached Chloé enough to date her.
It didn't help that she was always around either. Marinette barely got to spend time with Adrien. Chloé never allowed him to be around Marinette, so the image of her friend became less and less.
It was almost insane how much she missed him.
Of course, Marinette didn't allow herself to dwell on what could have been. She moved on, too. Perhaps not completely, but she tried.
Marinette took a chance on someone who was nice, and took a liking to her, perhaps the only one who didn't hate her by now.

Marinette crumbled the paper.
She couldn't understand the point of sending him these notes. She was sure that Chloé had already seen some of which she sent to him, not that Marinette had even signed any of them, but she was more than positive that Chloé hadn't let Adrien keep them. It was becoming useless.

Marinette threw the ball of paper into the trash before she pulled on her bag, carefully exiting the classroom, looking away from Chloé and Adrien.

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Marinette carefully pulled off her shirt, her pale skin almost radiating against her black bra.
She looked at herself in the mirror briefly. She promised Alya that she would hang out with her and Nino before the night was out, apparently Alya and Nino had something planned.
Marinette didn't really pay mind to what it could have been, she was only asked to dress nice.
So that was the task at hand.

Marinette sighed, perhaps she could get something to eat beforehand. She was feeling a bit hungry.

She smiled as Theo wrapped his arms around her thoughtfully.

"See? I said you'd look amazing in the matching set I bought you." He murmured softly, his lips touching her neck.

Marinette smiled, slightly leaning into him.
"I never said you were wrong..." She murmured softly, her fingers laced through his.

Theo moaned softly, his hands carefully tracing up her torso. Marinette hummed, leaning back as she ran her fingers through his dark hair.

"Are you leaving now?" He asked, leaving small kisses on her neck.
Marinette bit her lip, contemplating briefly before she turned to look at him apprehensively.

"Well...I do have to shower...before I leave to meet up with Alya." She murmured softly, turning around carefully to kiss him softly on the lips.
Theo hummed as they kissed, his hands holding her hips. Marinette giggled as he pulled her hips against his. She wrapped her arms around his neck.

"I guess we have a little time..." She murmured softly. Theo smiled, leaning down and kissing her lips delicately.

"Did you bring condoms?" She asked, her brow raising.

"Always." He whispered.

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"OW!" Adrien exclaimed, pulling back to look at Chloé underneath him.

Chloé looked up at him, her eyes looking at Adrien in a chaste manner.

"What?" She asked, her legs tightened around his waist, pulling him closer.

"Could you be a normal human being for once and not claw my back?" Adrien whined, carefully pulling away from her.

Chloé sighed with disapproval, her legs falling against the bed as she carefully sat up.

She scoffed folding her arms as Adrien slid off the bed.
"I thought guys liked that stuff. Quit being such a baby." She sighed, pulling the blanket up to her chest.

"Chloé, we went over this... The first few times it was alright, but lately I feel like you've just been doing it to get a reaction out of me." He grunted, pulling the condom off. "It's really not funny anymore." He breathed, throwing the condom into the trash.

Chloé rolled on to her stomach, her eyes rolling as she looked at him.

"Lighten up." She snickered. "We'll do this again another time. I can't have you bummed out for the party I'm throwing tonight. If you want, we could sneak into the bathroom for a quickie." She explained, as she kicked her feet.

Adrien wrapped a thin blanket around his waist and shrugged, going towards the bathroom in her bedroom.

"I'll have to give you the answer to that some other time." Adrien sighed, stepping into the bathroom and slamming the door.

Chloé shook her head, reaching over and grabbing her phone, she slid her fingers across the screen. She digitally sent her texts invitations as she mindlessly fiddled with her hair.

Adrien stood in the shower, his hands pressed against the shower tiles on the wall, as the water went through his hair and down his back.

He tried to clear his head.
He was aware that Mayor Bourgeois was allowing Chloé to have her first senior party. Like, any other party she threw, he knew that this one was going to be huge. People he didn't even know from town was going to be there.

Adrien closed his eyes as he attempted to relax.

'Although we're apart
You are a part of my heart...'

Adrien carefully opened his eyes as the words flooded into his head.
He could still see the words scribbled neatly across the page.
Lately he'd been thinking about the random anonymous notes he had been receiving. They were dropped in his mailbox, his school bag, sometimes on his desk, and a bit in his locker.
They didn't bother him, in fact they were sweet. They actually made his day just a bit better.
He had initially thought it to be his girlfriend, but after having knowing Chloé for so long, it didn't seem like much of her character.

After Chloé had found out about the first later, she had taken a completely different approach to him. She took more of a jealous, more protective approach this time around.

Ever since then, he simply hid them. He didn't want them to go away, he wanted to find out who was writing them.

He bit his lip briefly, before he carefully began to wash himself, drowning out the noise of his girlfriend singing in her room.

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Marinette gasped, her hands gripping into the sheets as Theo moaned into her ear almost shyly. Her legs shook around his waist as he moved thoughtfully between her thighs.
Marinette closed her eyes, enjoying the slightly off rhythm of their movements as she tried to get off.

Marinette felt herself leveling out, her belly tightening some. She sighed, her body relaxing in disappointment as Theo trembled, cumming into the condom without hesitation.

Marinette waited as he breathed out, slightly falling on top of her, trying to gather his breath.
She smiled, slowly raking her fingers through his hair.
She attempted to even her breath along with his.

Theo carefully lifted his head, looking at her with pink cheeks and a glossy smile.

"How was that?" He breathed, his eyes slowly closing.

Marinette chuckled, her chest heaving as she sighed afterwards.

"It was...amazing." She spoke softly, kissing his head.
Marinette pressed her lips together. She felt bad for him, she really did.
It wasn't the first time she was left a little unsatisfied, it also wasn't the first time Marinette had to finish off on her own in the shower.

Theo carefully pulled out, sitting upright on the bed.
With a low groan he pulled the condom off and tossed it into the trash.
Marinette sat up, her hair a huge mess as she quickly glanced at her phone.
She came across a few text messages from Alya urging her to get going.
Marinette looked at Theo, kissing him softly before she slid out of bed.
"I'd better get going." She breathed. "Alya's waiting for me." She admitted sheepishly as she walked shamelessly naked to her bathroom.
Theo turned to his side, propping himself on his shoulder as he admired his girlfriend.

"Mmm." He hummed, obviously tired from his powerful release. "I'll see you when you get back." He murmured softly.
Marinette giggled as she started to dig through the bags of black lacy underwear Theo had been buying for her.
She found the cutest ones she could find and went straight for her shower.

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"Alya...out of all places in the entire world...why did you want to come here?" Marinette grunted, her foot stomping in disapproval.

Alya stood next to Nino, her eyes rolling.
"Marinette, you really don't think that I'd miss the biggest party in Paris, right?" Alya explained. "All the big people will be there, including Jagged Stone. I need interviews and pictures...lots and lots of pictures."

Marinette glared at her friend, and even at Nino as she carefully fixed her black and red cocktail dress.
Marinette wasn't sure what to wear for the occasion, seeing as she didn't really know what Alya had planned. And so, she simply stuck with something casual but cute at the same time. Something with a sweetheart neckline but with thick straps.

Marinette wanted to leave, she really wanted to, but at the same time she wasn't sure she wanted to go back home to her puppy eyed boyfriend and have unsatisfying sex again.

Marinette brushed her fingers through her bangs as she sighed, the music could be heard booming from the walls of the Bourgeois hotel.

"Alright...let's go get your...pictures and interviews... And junk" Marinette grumbled, her smile slowly creeping up to her face.
This was her first senior party, it couldn't be as bad.
Why not make the best of it?

"Don't sound too hung up."Alya spoke, resting her hands on Marinette's shoulders. "Adrien will be here; maybe you'll finally be able to talk to him without Chloé complaining."
Marinette looked up at Alya hopefully.

Once inside Marinette couldn't have felt more awkward. The music was ridiculously loud, and the lobby was jam packed.

Marinette looked up as Alya and Nino slowly disappeared in the crowd.
Marinette took her expectant role as a wallflower and did like so. She pressed herself up against the wall, and surveyed the crowd. Like most girls her age, Marinette was a lot more reserved than she led on which wasn't usually a bad thing. Marinette felt a bit out of place but she still held on to seeing Adrien.
Her blue belle eyes carefully scanned the crowd, landing on a quite pertinent Chloé, flicking her hair as she spoke to Kim.

Marinette raised her brow.
Where there was a Chloé, there was usually an Adrien. She was never seen without him.

Marinette felt the blush rise to her cheeks when she spotted Adrien. He carefully stepped behind Chloé, wrapping his arms around her and kissing the back of her neck.

Marinette could feel her smile fade, as her heart dropped like a heavy stone, leaving a bitter taste in her mouth.
The site of those two made her sick.
But why should she care? She had a boyfriend.
Marinette cursed at herself.
She shouldn't be doing this to herself. She needed to get over herself.
Marinette breathed as she thoughtfully pushed herself away from the wall, mindlessly walking through the crowd.
She couldn't exactly hear what Adrien and Chloé were now talking about, but she could definitely hear her annoying laugh through the music.
Marinette pressed her lips together as Kim turned to locate to a different spot in the crowd to Marinette's dismay.
It meant that Chloé was some with Adrien once more, which also meant no talking time with Adrien.
Marinette turned abruptly to head back to her wall before Adrien or Chloé could spot.

Marinette gasped as she slammed into someone, a cold alcoholic drink poured down her shirt.

"What the hell?!" A woman screeched as she shoved Marinette.
Marinette slightly stumbled backwards as she hastily wiped at her shirt, her face flushing red as she could feel tons of eyes on her at that very moment.

"Watch where you're going?" She hissed, sucking her teeth, and shoving Marinette to head back to the kitchen.
Marinette swallowed hard as her eyes followed the woman she bumped into.

"I'm sorry..." She murmured softly under her breath. She sighed, Chloé looking at her with a slight giggle.
Marinette clenched her face, as Adrien looked at her with a grimace.

Marinette shook her head as she turned the opposite way in the crowd.

Marinette needed to find a bathroom, clean up, find Alya and leave. She could feel the tears pooling in her eyes as she stepped out of the lobby.
Wiping her cheek she fumbled with the doors.
Most of them were locked. She just needed one bathroom? Why's it so hard to find a damn bathroom in this place?!

She bit her lip when she tugged at a door, not expecting it to be open, Marinette Stumbled inside. She landed on the floor with a loud this, almost biting her tongue.

Marinette groaned looking up.
The room was decorated pink, the bed with a little messy, and the closets looked like they were rummaged through.

Marinette carefully pulled herself up to her feet and closed the door. Knowing by now the room was occupied by someone Marinette, made sure she was tentative when heading towards the bathroom.
She'd only make this quick. She just wanted to wash the sticky contents off of her skin and just go home.

Marinette sniffled as she slipped into the bathroom, closing the door sloppily. She reached for a bath towel and began to dab at herself thoughtfully.
She bit her lip as she cried. Embarrassment washed over her instantly.
She knew this was a stupid idea. She should've just stayed home with Theo.

Down below the party continued, a lot of those gossiping and laughing at the incident that had taken place moments ago.
Adrien got distracted by a selection of songs and Chloé made her way into the crowd, disappearing.

Adrien talked to a few friends before noticing Chloé was even gone.

He carefully slipped out of the lobby into the semi quiet hallway. He ran a hand through his hair.
Kim slowly began to walk down the hallway, sipping on his drink occasionally.

"Kim, have you seen Chloé?" Adrien asked curiously, his green eyes widening slightly.
Kim shook his head subtly.
"Haven't seen her." He answered truthfully.

Adrien could feel his heart race the moment he remembered Chloé's words from earlier in the day.

"If you want, we can do a quickie in the bathroom."

Her voice rang in his head like a siren. He sighed, his throat tightening.

Chloé was in for a huge disappointment. He had to break it to her.
The answer was no.
He watched as Kim carefully slipped back into the crowd, before Adrien casually walked down towards Chloé's room at the end of the hall.

Adrien slowly opened the door, and closed it.

Marinette remained in the bathroom, too occupied with the running water to even realize that someone was in the room with her.
Marinette shut off the water and bit her lip.
She sat on the covered toilet lid, her head hung low as she silently sobbed.

Adrien could hear shuffling going on inside of the bathroom. With his lips pressed together tightly he pulled opened the door.

Marinette gasped as she looked up. Her cheeks immediately flushed at appearance. Her hair was a mess, her makeup was running, and her dress was wet and stained.

Adrien recoiled. He wanted to apologize, he wanted to close the door, but upon seeing her, his mind told him otherwise.

"Marinette? Are you okay?" He asked, almost nervously as he hesitantly stepped inside, closing the door behind him.
Marinette looked away, her body shivering at the sound of his voice.

She wiped her face nervously.
"Y-yeah..." She breathed. "Just a little embarrassed."

Adrien looked at her with a grimace. He contemplated leaving, giving her space, but at the same time he wanted to be in her space.

"S-should I go?" He asked softly, his body hesitant on moving.
Marinette said nothing as she looked away, she simply shrugged.
Adrien sighed, sitting on the floor right beside her in the very large bathroom.

"It'll be okay..." He whispered, his hand lightly touching her lap.
Marinette breathed out at their contact. She could feel how warm his hand felt on her thigh, and it made her shiver.

Marinette smile halfheartedly, her cheek glistening with salty tears.

"It's been a long time, Adrien..." Marinette breathed, feeling glad that he stayed but wanting to change the subject immediately.

Adrien looked up at her wearily and nodded.
"It has..." His voice trailed off, his mind drawing back.

Marinette remained quiet, her limbs burning with questions as they both remained still in their silence.
Marinette wanted to recoil within herself and disappear. She was finally alone with him, like she had wanted. However, after having finally attained it, she had no idea what to do with it.

Marinette breathed in as Adrien, lowered his head.
"How's...life with Chloé?" She asked nervously.

Adrien carefully looked up. He shrugged after some thought.
"It's okay..." He said softly. "I mean...you've seen her room haven't you? She's quite a handful." He explained.
Marinette widened her eyes as she perked up.
"W-Wait...this is Chloé's room?" Marinette asked, in a slight panic.

Adrien chuckled, shaking his head.
"It's alright. I don't even know where she is." He assured. "What she doesn't know won't hurt her."
Marinette blushed, rubbing her cheeks carefully.

"Yeah right...I can only imagine Chloé's twisted mannerisms of punishment." She muttered.

Adrien looked up at her with a grimace.
"Hm...well, she's not bad once you get used to her."

Marinette rolled her eyes.
"How's that possible?" She breathed, leaning back slightly.

"She never lets us talk..."

Adrien gave Marinette a strange look. She immediately wanted to hide away from herself.

"I-I'm sorry..." She spoke timidly.

Adrien cleared his throat and shrugged.
"It's fine."
Marinette dropped her head.

"H-How are things with Theo?" He asked, thoughtfully.

Marinette blushed, trying to hide the blush at the sudden question.

She breathed deep, and tried to roll with the punches.

"He's...okay..." She sighed.
Adrien looked up, his brow furrowing.

"Oh yeah?" He asked, leveling himself up with her.

Marinette sighed, looking away briefly. This was her friend. She had known him for so long, she couldn't understand why she couldn't treat him as such.

Marinette pressed her lips together.
For all she knew, she probably wouldn't see him again after this; Why not spill the beans?

"You know what? No...he's kinda not okay." Marinette breathed.
Adrien raised a brow, leaning back to examine her thoughtfully.
"He's not okay?" He asked curiously.

Marinette shifted uncomfortably.

"Well...he's okay... As a person. He's really sweet...but I'm not sure he's what I want right now." She explained.
"For starters, he finishes way too early in bed, and when we're not doing that he's always working... I realized that we barely have anything in common...but...he's just really sweet and he makes a good companion. I don't even know anymore..." Marinette complained, her internal conflicts eating away at her.

When she realized that Adrien was quiet, it only stirred her anxiety more.

She looked up, her cheeks a deep shade of red before swallowing hard.

"I'm sorry...was that too much?"

Adrien simply looked at her, a small smile cracking to his face before he chucked.

Looking at her now, the way she got embarrassed and flushed around him was incredibly adorable. He had never seen anything like that from Chloé. She was quite bold and straightforward. There was nothing sweet about her.

"No...if it makes you feel any better, I kinda empathize with you." He sighed. "When Chloé's not being sarcastic when I need her to be serious, she could be inappropriate at times too." He snickered. "She's either clawing my back to poke fun or she's texting."

Marinette blushed, her body shivering at the thought of Adrien and Chloé being intimate in that way. The thought tugged at strings of jealousy deep within Marinette, that she didn't even know existed. She cleared her throat. He deserved so much better. Marinette would have cherished every moment, and not because she hasn't been able to get off with the unsatisfying sex her current boyfriend was giving her, but because she really loved Adrien, and she probably would have given anything to have shared a strong close moment with Adrien. Chloé just didn't deserved that type of bonding, or deep pleasure especially not with Adrien.

"Wait...so...She texts while you guys are-"

"Yes" Adrien interjected, a sheepish grin appearing upon his face.
"Well that's not nice." Marinette laughed nervously, her arms folding.

Adrien shrugged his bottom lip pouting. "It takes a bit of getting used to. I just learned to cope with her...jealousy habits" he explained, shifting his weight.
Marinette raised a brow curiously.

"You see...I've been getting these anonymous letters. They're really sweet but Chloé hates them."

Marinette felt the color in her face drain at his words. She could feel one part of her scream with joy because he thought the letters were sweet, but the other part just wanted to scream in agony.

"W-What did you do with those letters? Does she have them?" Marinette asked nervously, her heart nearly thumping out of her chest.

Adrien shook his head thoughtfully, as he chewed the top of his thumb briefly.

"No, I kept them, of course. She's only seen one of them, the rest I hide from her. She could get a bit scary when she's jealous but...I really like her and I want things to work." He breathed.

Marinette felt her heart break at that, she looked at him briefly before she looked away.
She would have never in a million years think that he'd say something like that about Chloé.
"Besides..." His voice trailed off. "I'm already suspecting that the secret admirer writing the letters is probably Sabrina. She's been ogling me a lot lately." He spoke thoughtfully, interrupting Marinette's chain of thoughts.

"Sabrina? Are you serious?" Marinette hissed, tears slightly pooled onto the edges of her eyes before she gave an exasperated sigh.

Adrien raised a brow.
"Did I say something?"

Marinette shook tears slowly ebbing down her cheeks.
Marinette could feel so much anger and hurt have away at her.
How could he be so blind?

" Yeah, you did. Your secret, admirer Adrien? This whole time it was me..." She breathed.
At this point she couldn't even feel embarrassed or shy, she could only feel the anger and disappointment within her.

Adrien closed his mouth, his eyes wide as Marinette cried softly.
"I have always cared about you, Adrien. I've always had these feelings for you, and you chose Chloé over me. Out of all people, you chose Chloé?!" She scoffed, wiping tears away. Her makeup had started to run again and Marinette stood up.
Adrien remained quiet for some time, trying to drink in this new information.
"Marinette..." His voice trailed off. "I had no idea..."

Marinette looked at him, her blush starting to sink in as she wiped her face.

"Yeah, well...It doesn't matter now." She retorted.

Adrien couldn't help but to feel warm but disappointed in himself the most. Marinette was sweet, and before he started dating Chloé, they were almost inseparable. Now thinking back on it, Marinette was always there for him along with Nino, especially for the hard times.
In a way, Adrien admired Marinette too, but up until now Adrien was almost sure that it was in a different way.

"Y-you wrote those notes?" He asked, watching her just as she stood up.

Marinette breathed, nodding as she turned around and headed for the bathroom door.

Adrien bit his lip, power surging through him as he stood up and grabbed her hand.

Marinette froze, looking back at him wearily before he pulled her into chest with a gasp.

Marinette trembled, the sweet smell of his skin clouded her head, and before she could react his mouth was on hers.

Marinette froze, her eyes wide with surprise at the sudden kiss. She trembled as her hands rested on his chest.
He pulled away carefully, their lips pulling apart slowly.
Marinette blushed incredibly, looking down as Adrien looked away, his breathing a bit heavy.
Marinette shook, her lips still flushed and tingling from the kiss.
Did that just happen?

"I'm sorry...I probably should have asked." He breathed.
Marinette shook her head, folding her arms nervously.
"N-No. You're okay..."

Adrien rubbed the back of his neck, shifting his weight as the two stood awkwardly in front of one another in dead silence.

Marinette wanted to melt into a puddle, and Adrien simply wanted to just hit himself.

Adrien carefully turned towards Marinette, his hands hovering over her hips.
"May I?" He asked softly.
Marinette blinked, her face flushed and her eyes glossy as she immediately nodded without hesitation.
She wasn't quite sure what he was even asking, but she just wanted him to touch her. She could've just consented to him throwing her out of a window for all she knew.

Adrien slowly placed his hands on her hips.
He thoughtfully leaned down and placed his lips on hers once more.
Marinette trembled, kissing back as she rested her hands on his upper arms.
She gasped, feeling his muscles flex as he lifted her up, placing her on the bathroom sink. Marinette giggled slightly as she adjusted herself, so that she wouldn't fall in.
Adrien smiled against her skin, and placed his hands on her thighs.

"Is this okay?" He asked, as he carefully rubbed them.
Marinette bit her lip, her legs trembling as his touch sent shocks throughout her body, each warm wave settled into the warm space between her thighs.

"Y-Yes..." She breathed.
Adrien leaned his head on hers, as his hands continued to rub her upper thighs. Marinette leaned up and kissed him, immediately deepening the kiss. He didn't hesitate to kiss back, he thoughtfully dipped his tongue into her mouth, to which she gleefully accepted. Marinette pressed closer, his hands continuing to rub at her thighs. Marinette shook as he breathed into her mouth, the taste of his mouth immediately running fire through her veins.
Adrien pulled away, leaning down to kiss her neck. His tongue drew circles in her skin before he nipped at it softly.
Marinette felt her grip on him tighten, small whimpers escaping her lips as he sucked on her skin.
Her knees bent as his waist, and she then realized the hot moisture between her legs.
Adrien carefully traveled his hands upwards, and Marinette blushed.

"Is this okay?" He asked, his hands slowly reaching the apex of her thigh.

Marinette couldn't breathe.
He actually wanted to touch her, the thought made her swim high in utter bliss.
"I-Its okay..." She breathed, as his hands slowly brushed against her slick skin through the black laced panties her boyfriend bought for her.

Adrien trembled upon feeling the moisture, the feeling only making him more curious. He couldn't just stop now. Now that he knew she was wet, it only opened more doors in the crevice of his mind. It was almost too eager.

"Marinette..." He breathed, his pupils dilating on contact. "Can I please?" He asked, almost begging.

Marinette nearly choked on her heart. She nodded, unable to speak. She could feel the goosebumps on her skin as Adrien thoughtfully pulled the fabric aside, revealing her skin.
Adrien blindly searched with his fingers, his fingertips carefully massaging her sensitive skin, causing Marinette to gasp.
Adrien kept his eyes on Marinette, as he paused just at her center. Adrien himself trembled as he carefully sunk two fingers inside of her completely.

Marinette gasped, her back arching as a small moan escaped her pink lips.
The reaction sent a warm wave down his spine. He breathed deeply as he carefully pumped them in and out slowly, being sure to rub her insides thoughtfully.
Marinette cried, her legs tensed as he fingered her. His cheeks grew red as he watched her. Sweat beaded at her hair line, her skin red from blushing, her body sprawled across the sink as she moaned.
The sight nearly drove him insane, and it wasn't long before he could feel an uncomfortable pitch in his jeans.
He pulled his fingers out, to which she breathed. To her embarrassment she looked at him, her eyes nearly watering as he sucked on his fingers, sucking her juices off.

"Not bad..." He hummed as he carefully started to undo his jeans.
Marinette covered her face, her skin growing hot.
She could feel him tug at her skirt.

"Is it okay if I pull this up?" He asked softly.
Marinette remained behind her hands as she nodded.
"Y-Yes."

Adrien chuckled as he thoughtfully began to roll up her skirt.

"These are nice..." He complimented thoughtfully as he tugged at her panties.
Marinette giggled, her hands dropping from her face slowly.

"T-thanks...my boyfriend got them for me." She breathed.

Adrien nodded in approval, carefully lifting her hips so that he could pull them off.

"I'd probably make a snide remark about how much prettier Chloé's are, but that would make me bias. I buy my girlfriend underwear too." He admitted, flashing her a guilty smile.
Marinette laughed softly, her hands reaching down to his boxers. She trembled at the hardened heat beneath the fabric, and with one swift tug she released him from the confines of his boxers.

Marinette trembled at the sight. She couldn't think of a time when she wanted someone inside her this bad.
She looked up at Adrien with pleading eyes. She leaned back against the mirror carefully, as Adrien adjusted himself between her legs.

He carefully teased her entrance, driving her insane.

"Can I?" He asked, each time he rubbed her. Their skin to skin contact only made Marinette groan in want.

"P-Please..." She begged.
Adrien wasted no time, he didn't torture the girl and simply gave her what she wanted.
Adrien moaned as he slowly entered her. His body trembling as she wrapped tightly around him.

"Ooh...Adrien..." Marinette breathed in approval as her ankles crossed at the small of his back, pulling him closer.

Adrien paused when he was completely inside of her, his hands pressed against the mirror behind her.

Marinette breathed, her body trembling as he was pressed into the sensitive nerves deep within her.

Adrien carefully pulled out, and then pushed back in, earning an appreciative moan from the girl.
It wasn't long before he started a rhythm, it was slow and gentle.
Marinette moaned out, her hands lightly scratching for purchase on to his upper back. Adrien's breathing grew rigid, moving gently between her thighs.
Marinette spazzed against the sink as she whimpered.
Adrien could feel her occasionally squeezing around him.

"Marinette..." He begged, as he moved his hips in languid thrusts against her.

"Is it alright if I move faster?" He asked, his voice choppy.
Marinette pressed her lips together as she nodded foolishly.
"Yes, PLEASE." She begged.
Adrien took her word. He leaned against the mirror as he increasingly picked up his thrusts, up to the pace he always had it.
Marinette trembled as she felt him thrust into her.
Her moaning soon turning into desperate pants.
Adrien moaned, his hips pushing into Marinette's. She could feel him rearing himself into the sensitive nerves within her, something that Theo never did before. Marinette trembled around him, her legs tensed. Adrien reached down, hooking her leg in the bend of his arm.

Marinette gripped the sink, her face pressed against the mirror as she whimpered. Her eyes shut on contact, she couldn't look at herself in the mirror.

The booming of the music outside of the bathroom and bedroom rattled the sink to which Marinette was holding herself. Marinette trembled her voice rising as she finally came undone.
A few weeks' worth of pent up need and satisfaction spilled against Adrien.

Adrien gasped as he felt her release, watching as her body nearly collapsing against the sink.

Adrien bit his lip, his muscles aching.

"Adrien..." Marinette moaned, calling out his name as her body slowly slipped down from her high.

That was all Adrien needed. It wasn't long until he finally spilled himself inside of her.
Adrien cried out, his body hunched over Marinette, who lay in the sink with tears in her eyes.

Marinette whimpered, nodding foolishly as she took in his release.
Adrien leaned, his hand pressed against the mirror as he breathed.

"I-I'm sorry..." He breathed, the moment he was finally able to gather his thoughts. "I should've asked first."

Marinette simply chuckled at his words. She shook as she tried to lean up, she wiped the tear away from her eye and jumped when her phone rang.

She breathed out, looking at Adrien, when she heard the familiar ringtone.
Adrien's eyes trailed off of hers as he looked into the direction of the ringing device.

"Is that your..." His voice trailed off.

Marinette cleared her throat awkwardly. Here she was piled up in the sink, with another guy, who wasn't her boyfriend pressed inside of her. Marinette whimpered as he pulled out of her.

Marinette couldn't stop the massive amount of guilt that just infected her insides.
She had just cheated on her boyfriend!
Adrien carefully adjusted himself, growing slightly nervous at the noticeable hickeys all over Marinette's chest and neck.

"We can't tell anyone about this..." Marinette breathed as she carefully made it to her feet.
Adrien sighed, stuffing his hands into his pockets with a grimace, as Marinette finger combed her hair. Marinette breathed unevenly as she rolled down her skirt and slid back on her underwear.

"Wasn't planning on it..." He sighed, his bottom lip suddenly pulling between his teeth.

Marinette stood awkwardly in front of him, the sound of her ringtone slowly fading out.

Adrien cleared his throat awkwardly, as he jolted his finger towards the door.

"We...should...ahem...get back out there before someone realizes we're gone." He breathed.

Marinette pressed her lips together and nodded.
"Y-Yeah...but not at the same time..."

Adrien looked at her, awkwardly nodding.
"Right...I'll go first..."

He looked at Marinette briefly before he sighed, he thoughtfully opened the door and slipped out.

Marinette dropped her head, her chest and body aching. She wanted him, and not just for the sex. She really really wanted him.

With trembling legs Marinette grabbed her bag. She wiped away a few stays tears as she walked awkwardly back to the party.

The music was loud as it had always been, and Adrien was back with Chloé. Chloé had her arms wrapped around him, whispering something to which he laughed at.

For a brief moment, his eyes connected with Marinette's.
Ironically, that was her first rendezvous in a bathroom, especially with Adrien, and she somehow knew that it wasn't going to be her last.

She was officially having an affair with Adrien Agreste.

A/N: Sorry, this one kinda sucked too, but I really like the plot in this one.
This chapter was inspired by "Tonight, you belong to me." From Eddie Vedder featuring Cat Power.
Please check it out on YouTube. Also, I'm taking story suggestions for this series because I'm not that creative to come up with my own so please drop a comment of what you'd like to see!

NEXT UP: A Shy Boy And His Lady