A/N: Hello everyone, I publish this short chapter just to practice. Feel free to point out misspelling since I've no beta in this language. Any word of advice would be welcomed :-)

Disclaimer: All recognizable characters are the property of the Lucifer show owners. The original characters and plot are mine. I am in no way associated with the owners, creators, or producers of any previously copyrighted material. No copyright infringement is intended, I'm just playing. I thank the creators. Whithout their work, you couldn't read this story.

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THE FIRST EVE

A fanfiction on Lucifer, by OldGirl-NoraArlani

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Chapter 1 : Some sort of adopted sibling

He never had been so fidgety in front of her.

Usually, he just radiated some careless coolness, mixed up with much inappropriate insistent glances towards her lips, and something else she couldn't place. He was quite the charming womanizer yet managed to look as if the was truly intoxicated with her. That was both confusing and enthralling. She could never admit she loved all the privileges he granted her: bouncers told to treat her like a VIP at Lux and free drinks; elevator code for a direct access to his penthouse; embarrassing meaningful serenades right in the middle of cases…

He knew all too well he was attractive and remind her all the time, like she could not notice. In a way, she found strangely refreshing that solid misplaced smugness of him… In her opinion, he was not so attractive. But combined with his natural ability to wear unholy expensive suits, his quips and strange thoughts about everything, his restlessness, being prone to see the bright side of fun and the devil may care attitude in front of danger… Well, yes. It had an effect on her. And every day she thanked God to be "immune" enough and not in a state of a drooling groupie, unable to prevent herself from touching him in public.

Unconscious of the wrong feelings of jealousy rolling in her mind when she remembered all those people throwing themselves unashamedly to him, he was looking at her with concern, a frown eyebrow giving away all his usual dignified stubbornness whenever he tried to make his point.

"My dear detective, would I dare to say it's now or never? I urge you to claim me as yours or Lilith will do it! And she's really not like Maze – unfortunately. I mean not the very sharing type, you see?"

Chloe looked at him blankly, searching in the depth of her tired mind from where all of this came from.

"What are you asking for, exactly?"

"Thought it was obvious: help! Pose as my girlfriend and do be convincing, dear. I'll do anything you want in return. Please. Anything…" he repeated with a huge promising yet salacious grin.

"No, Lucifer. You're crazy and I have really no time for your silly games. Some of us have to be real grown-ups, right?"

"My my, you're tough…" he said playfully with his elbows on her desk "Even if I propose myself for… paperwork?"

She tried to shut herself from his confident arched eyebrow and tempting trademark sultry voice. She cleared her throat that became quite dry. He definitely knew how to talk to lady cops…

"As nice as it sounds, I know you won't. You already promised that and magically disappeared as soon as culprits were handcuffed. So I don't believe you anymore".

She couldn't avoid noticing how disappointed and slightly upset he looked for few seconds, but it faded soon, as he stood up from his chair he ceased to play with. She found herself with his towering figure above her, some regret dancing in the dark pools of his eyes.

"Well, I'm sorry to have embarrassed you with my... request. Anyway, it's probably better like this, for both of us, so…»

Without a word, she shot him an angry look and took the first file from the everlasting pile of papers on her desk.

"I was… very happy to meet you, detective" he began suddenly awkwardly solemn. "I want you to know that. Thus, I may be not able to work anymore as a police civilian consultant."

She lifted her head, glancing at him sharply. "What now? You're blackmailing me? Seriously?"

He frowned. The worse of it was he seemed quite earnest. "No, darling… I mean, detective." he corrected hastily. "I was just saying I know from experience Lilith is quite a handful of her own, too. She's jealous, intense… well now I think about it, some females of my family might appear a bit similar... I don't think it would be wise to leave her without supervision in this big town of LA, because she could be…"

Chloe had a heavy sigh and crossed her fingers with all the calm she could muster. "Family? You're trying to say that this Lilith is another member of your pack of..." she waved a hand.

"Yes, I'm afraid so."

"So what is she? Cousin? Aunt? Wait, none of these? If you tell me "grandmother" I swear I'll start to cry..."

He let a low chuckle, amused at the thought she could have been more annoyed by his mother's borrowed gorgeous body than she wanted to admit, but he suddenly became a bit self-conscious, his eyes avoiding hers. That was new.

"That's complicated. She's some sort of adopted sibling but..."

"But?"

Opening his mouth, he hesitated. "I have quite the feeling you will be angry at me, as soon as I will start to explain..."

"Lucifer, you're my friend and I perfectly know your flaws and most of your twisted habits... Let me guess, your sister had previous problems with law enforcement, right?"

Chloe was nodding knowingly as Lucifer was merely watching her with nothing less than cautiousness.

"We could say that…"

" OK, no need of your mojo thing here… She's got "bad girl" tattooed everywhere on her." she said rolling her eyes as she always did, yet mostly because of him. "I saw this first sight! It oozes from her as much as you ooze... err... forget about it. All I wanted to say is: if you need someone to talk, I'm here. I'm not as good as Linda in this department but... you know... I can talk with her too. I suppose you wanted me as a "fake girlfriend" (she pinched the air with her fingers) to have a better model to show her? No offense but better than Maze? Will she stay at yours?"

He opened his mouth and shut it soon, stopped in his tracks as she smiled at him. She was finding it quite endearing to realize he could sometimes be less selfish than his ordinary self. She was about to tell him the precinct could give him some hours to cope with family issues…

And then, he ruined it all with a single sentence. Same old, same old.

"What a relief, detective!" he beamed. "I thought you would be far less understanding, considering the fact I slept with my sister!"

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The poor sound came as a gurgle in her throat, and her eyes went increasingly huge. Round eyes, round open mouth, stilled in her chair, she was a bit pale indeed.

"What!? You… you can't be serious. Are... are you kidding me again?"

"No I wouldn't. Does it make a difference if I say I didn't know who she was, by the time?" he asked sheepishly and strangely unsure.

Her cheeks were dark pink and she was obviously furious. Even for him, this was not a wild guess... She was glancing around, and hushed over her desk: "Lucifer Morningstar, you're in serious trouble! Just checking here but… Do you happen to know it's forbidden and punished by the law?"

"Yes, thank you very much. I know that... by now. And I've learnt it the hard way, believe me, when I was casted out my… former home. And that's why I came to you for help!" he said with pleading eyes, underlined with jet eyeliner and honesty. "As a half angel having spent some time in Hell too, Lilith does not care much about human laws. She's just doing what she wants... And to state it loud what she wants to do now… is me."

"Oh, really?" she said with burning anger and a tad of guilt. "Why does it remind me someone else I know?"

"Please, detective, I'm not really sure if I can stay away from her" he blurted hurriedly with a haunted look that made her panic a bit. He was taking all the "method actor" conviction to a whole new level.

"Stop it!" she hissed lowly. "You bet you will! Do you want to go to jail?"

"Hell no! I'm only out for five years from my own Daddy's Guantanamo…"

His eyes wandered in the wide room of the precinct and stopped on Dan's office. Lucifer began to smile with hope as the perfect plan came to his mind. Chloe's ex was suggestively leaning over the fridge in search of his favorite pudding and exposing some of his assets.

"Wait a minute... Since you have no sexual use anymore of the Douche" he mused "would you mind lending him to me as a bait for Lilith? Sure he looks a bit like Adam, but his torso is well defined, from what I saw, and he obviously kept training his weak mortal shape in order to…"

She stood to slap him hard on the arm and gained herself an offended "aouch".

"Will you shut up! Don't you think he's not heartbroken because the whole weird amnesia of Charlotte? Besides, you cannot use people, Lucifer. Especially friends. Do you really want to make me think you case is hopeless, or what?"

His answer came as a mischievous singsong. "So no using the Douche… Does it mean you reconsider my previous offer, which is definitely still on the table?"

She frowned and manhandled him roughly into the first free interrogation room for privacy, which he consented to with glee. But here, no funny business in her mind, she crossed her arms in the typical unfazed "Momface not buying this" that marveled so much Maze. She was staring at him, straight in the eyes, to the point he was himself a bit flustered. That was a first.

"Lucifer, you're really – really – worrying me. I think I quite underestimated the gravity of your issues, to say the least."

"Well, detective, I'm truly sorry, that was not my intention at all."

"I know this." she interrupted. "What I don't know is why you seem all… unsure? I've seen you deflect unwanted advances sometimes, at least purposely, while I was looking… Why is it different this time? Why could you be so righteous about Charlotte, and say you could not resist your sister? That's nonsense and you'd better explain yourself very clearly."

He purred with a disturbing and unadulterated happiness. "Lucifer likes when you're all bossy, detective…"

She tilted her head, bobbing it few times, eyes thinned with incredulity, as they were roaming over his unshaven face in search of a clue. She was physically closer than she usually did. As if her own "detecting activity" was making her more confident. He always thought confidence and power were dead sexy on her. Not his fault if he had a special thing for gorgeous strong women... Of course, he did like the Brittany's comforting easiness. But he wouldn't have followed such a path of "rebel hellion" without a taste for challenges, right?…

"I can't believe it… You're stalling… Are you afraid of something? Of her maybe? Oh God – crap, sorry for this – I mean, does she have... hum... special freaky tendencies we should be aware of?"

"Indeed. You really didn't go to church school, did you?… Never heard of her?"

Ella barged casually into the room, blinking with a nice smile as she saw them standing stiff and face to face. Chloe sent a suspicious annoyed glare to Lucifer. Was he embarrassed?

"Oh, no you guys, were you arguing again? When will you decide to take a room and let a bit of steam off? Ok, I was joking. Come on. Duty calls. There's a new case to focus on!"

Chloe turned towards the joyful petite woman with a stern look for her partner implying that she had not finished with him, whatever it was about. The brunette forensic throw a thumb behind her and added hesitantly. "Sorry, Lieutenant said it's a bit of… priority".

"Thank you Ella. Can you tell us more about it?"

"Well, brace yourself because that's pretty ugly. Pierce wants you on it because it's quite touchy: baby murder. They didn't know how but someone got into the hospital nursery and cut the throat of a toddler. No traces, nobody saw it. I tell you, those are times I hate my job."

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The two women left the interrogation room, leaving Lucifer behind with an ominous feeling of impending doom. A heavy weight felt like it was on his ribcage. He was breathing rapidly and suddenly realized in shock, while he tried to stroke away the pain with his palm, that his wings had just popped out without a warning. They were flaring around him, vibrating with his own inner turmoil.

"Oh for goodness sake!" he muttered under his ragged breathe. "I have no need of you, damn fluffy not frightening things! I need to be me!"

Behind the door, Chloe's voice came a bit insistent. "Are you coming, Lucifer? Gruesome murder, you can't resist usually".

"Oh Dad, please, no!" he sighed with a streak of despair. "You can't be so cruel! Giving me this to handle while I can even be the Devil anymore… I hate you!"

"Lucifer?"

"On my way, detective!" he growled.

She reopened the door quickly and froze at the entrance, double-checking at the sight of lots and lots of little white baby feathers dancing in the air, and slowly falling on the ground around him. While he was standing awkwardly straight in front of her, his demeanor evoked a bit his brother Amenadiel; she didn't know why.

"What's happening here?"

"Nothing, detective. Someone must have accidentally crushed a passing pillow… Let's go." he hurried her. "As you said, gruesome can't wait".

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