Insatiable Habits

Taking Position

You sit down in Tony's office, next to Natasha who rests her hand on your thigh. You've noticed she does that often.
Of course, Tony is wide awake. He has trouble sleeping, blaming it on the fact his mind runs at 100 miles per hour, he never runs out of new ideas. Secretly, you know it's because of his anxiety.
Silence falls between the three of you. Tony flashes looks to you. Then Natasha. Then back to you, until finally she shakes her head at him, silent assurance that he could speak. He gestures for you to follow him. You surround a screen, Tony on one side, Natasha by yours, her arm wrapped round your waist. He swipes the screen and you are presented with a holographic picture.
"These are the infinity stones."
Silence falls again. Natasha and Tony continue to share sceptical looks with one another as you wait for continuation.
"Am I supposed to know why these are an issue right now ?"
Natasha squeezes your waist before speaking.
"Tony...it's okay."
He clasps his hands together and sighs. Tony had always been protective over you. Peter too. He didn't like to assign you missions and often sent you both home if they became too dangerous. You didn't like it, but you understood why.
"You know who Thanos is, Y/N."
"Of course. How could I forget."
"Well, he's currently hunting for these stones. All of them. He's already found the Power stone. If he manages to find all six then..."
You don't need Tony to continue. You're fully aware of the power they possess.
"So what are we waiting for ? Tony, cmon, we can stop him right ? He only has one so far it's not - "
"Loki is dead."
The news catches your breath. You can feel a knot in your throat.
"And Thor ?" your voice is shaky. Perhaps you understand why Natasha tried to keep this from you.
"We don't know yet."
You felt Natasha's hand up and down your back as you touched your hands to the table.
"Tell me more."
Tony gave no resumption. Natasha held you close to her.
"Are you sure ?" she asked, taking your hand in hers.
You nodded sternly. Natasha half grinned at you and looked down, flustered almost. She was taken aback by your austere attitude, as she had initially expected you to become upset and need comforted over the matter. She was more attracted to you in this moment than she'd felt before.
"I met with Banner, who'd seen it all."
You were bitter at the mention of his name, a previous love interest of Natasha's. Clearly, you were unable to hide it on your face as Natasha sniggered next to you, running her thumb over your hand.
"Do you remember those old friends you ran into with Wanda and Vision in Edinburgh ?" Tony continued,
"They were there to retrieve a stone."
"Vision's stone." you whispered to yourself. The pieces were slowly falling into place, your mind making sense of all the recent going ons.
"The mind stone."
Natasha continued, taking over from Tony.
"So, Thanos is searching for these stones. Two of which, now that we're in contact with Stephen Strange, are very, very close to home."
You swipe the stone's from the screen and look directly at Tony.
"So what do we do ?"
He walks round to your side of the table and places his hand on your shoulder, squeezing it as he does when he tries to reassure you.
"I meet with Strange tomorrow. We'll go from there."
You nod at him and pull him in to a tight hug.
"Woah, kid. Steady on."
You always admired Tony's selflessness. Often people took the impression that he was selfish, impulsive. Even Steve, when he first joined, developed a distain for Tony due to this. Yes, he's arrogant, perhaps sometimes ruthless, impetuous. But you knew, as did the others that Tony would do anything for the team. He never put himself first. He loved the world and you adored his way of taking care of it.
From behind you, Natasha pulled you from the hug and bid Tony a good night.
"Please try sleep a little." she called through as you left the room with her. You knew he wouldn't.

"Why were you trying to keep that from me, Nat ?"
You didn't hold back on asking her, though originally you thought you might wait until the morning. Her head fell and her gaze fixated on her feet. You took her hand, continuing through the halls en route to your room.
"I'm not annoyed anymore. I just wanna know."
She lifted her eyes to look at you, and her shoulders loosened, realising that you truly weren't displeased with her.
"I just thought if you didn't know then...you couldn't get hurt. You wouldn't know about the missions and-"
You hushed her with a kiss.
"As long as I'm with you I feel safe."
She smiled at you. A heartfelt, soft smile that you rarely see from the spy.
You were approaching your room.
She stood by the door like a kid, still holding your hand as you pulled away and backed into your room.
You pressed your tongue to your cheek as she pulled you back into the doorway, pressing her lips to yours.
"You coming in ?"
Her cheeks were flushed under your gaze. You examined her up and down eyeing the tight vest she wore, which exposed her hard nipples to you as you tugged the edges of her waistband between your fingers.
"I know you can't sleep on your own."
She pulled your chin down to her face, her breath hot against your lips.
"I barely sleep with you."
She pulled you down onto the bed and guided your legs so that you were straddling her. She held your waist tight, her fingers digging into your sides as she desperately attempts to tear your clothes from you. She moaned softly into your mouth as you pushed her back into the sheets climbing on top of her. Your hands, pushing hers above her head, holding them with your right as you clasp her neck with your left lifting her head into a deep kiss. She pushes her tongue into your mouth and turns you, shifting positions so that she's in charge.
"It's my turn." she whispers in your ear as she makes her way down your neck, nipping your sweet spot with her teeth and sucking hickeys all over. Marking you as her own. You weren't used to this. With all the women you'd slept with previously, you had dominated the bedroom. However, with Natasha, it was difficult to deny her. You gave her full control, aware that she got off on it. She loved being able to toy with you as she pleased, without denial. She pulls up to your mouth drawing your bottom lip between her teeth and pulling your mouth open, keeping it that way with her fingers. Your breath was hoarse, heavy against her. You felt her in your throat, on your tongue as she spat into your mouth, tightening her grip on your neck.
"Please-" you begged, desperate for her touch on your body. She was leaking heat, as were you, as you pulled her vest up over her head, watching as her perfectly cupped tits become exposed in front of you. She pushed your arms above your head, your hands touching the bed frame. She climbed further up you, her clothed lap nearly on your face, as she tied your wrists to the frame - restricting you from any upper body movement. A tight knot that you're sure she learned over her years of being an assassin. You lift your head, trying to tease her crotch as she sits atop you. She grabs your jaw bending over to look at you, her red locks falling across her face as she slowly moves her lower half further from your mouth.
"I told you, it's my turn. Now be a good girl and stay this way."
She holds your hips, slowly removing your shorts as she runs her fingers across the hem.
"I don't have much of a choice."
She giggles at your position, biting her lip at your exposed body tied down, your submission to her touch.
She takes your underwear in her teeth, mimicking what you did to her, pulling them from you as you raise your hips to her. She pushes your legs onto her shoulders holding your waist in her hands. You look down at her. She looks at you for a moment before her eyes turn back to your exposed pussy, as you wait for her to please you. She stifles a low moan by licking her lips slowly eyeing you up and down.
"What're you waiting for, mommy ?"
You feel her groan against your cunt at your use of the word.
"You wanna taste me don't you ? Try me, Nat, please."
Without further hesitation, Natasha touched her tongue to your clit. She had done this before. You could tell by the way she worked you. Your breath grew short faster than you'd thought and you could feel your core tightening as she moaned into your pussy. You moaned with her, loud. You didn't care if the others heard, you couldn't stop it, even if you tried, and Natasha had no intentions of stopping you. She ran her tongue from your entrance upwards, taking your juices in her mouth as she sucked on you softly drawing whimpers from your throat. Instinctively, you pulled your arms forward hoping to reach for her red curls only to be reminded of their suspended state above your head as the knot tightened round your wrist with each struggle. She relished in your anguish, pulling back from you to watch you struggle above her as you pushed your hips back to her face. She dove back into you and within seconds you felt yourself growing closer. Your thighs tightened round her head as she licked your cunt in the softest way you had ever experienced.
"Fuck, Nat, I'm so close."
With that, Natasha slowed, pulling away from you. Properly this time, leaving you below her as she rose above you - a quivering mess who was ready to beg and barter for release. She smirked at the sight
"I'll be back."
You lifted your head and watched her climb off the bed in only a bra and tight, tight shorts.
"What ? Where the fuck are you going ?"
She ignored your question, opening the door.
"Natasha don't you dare. You cant fucking leave me like this."
She walks through the door. Leaving it wide open behind her. You struggle in bed as you try pull yourself from the knot she's tied above you. Usually, you're out fine. However, the men you face on missions are nowhere near as good as Natasha. Non-comparable. You look to the door as you hear heavy footsteps walking the hall, ones much more characteristically weighted than that of the spy's.
It's Bucky.
He crosses your gaping doorway and stares in. You lay your head back on the bed, flustered, embarrassed that he's seeing you this way. Almost as if Natasha did this deliberately.
"Jesus, Y/N. Natasha's got you all tied up...literally."
You ignore him, hoping he'll leave. To your relief, Natasha returns and stands in the doorway next to Bucky, a bag in her hand.
You expect her to scold him for looking at you. You assume that's the nature of her jealousy, considering her poor reaction to your jokes towards him previously. Though, instead she stands before you, next to him, grinning almost proudly at you.
"Pretty piece isn't she ?"
Bucky nods slowly, taking you in. Natasha allows him to wallow in your body for a moment before dismissing him from the room.
"But she's mine, so get out of here."
He raises his hands, backing away from the frame.
She shuts the door behind herself as she makes her way back to you.
You want to be irritated by her. At first you thought it was carelessness, the door left ajar. But her reaction to Bucky's view of you in the doorway made you rethink. She meant it. Her willingness to let you been seen turned you on, mixed with the fact she was so proud yet instantly possessive over you once the leering became too much. You felt yourself growing wetter - this didn't go unnoticed to Natasha.
"You liked Bucky's eyes on you ?"
You shook your head yes.
"You shouldn't. You should like my eyes on you. He's not the one fucking you. He better not be."
You covered a whimper with a gulp. She resumed her position on the bed, this time spreading your legs as she lined up before you. Looking down, you noticed her stroking a huge, black strap - holding it in her hand lining it up to your entrance.
"Fuck, Natasha, I've never-"
"It feels so fucking good, I promise."
She pushed it into you slowly but with force. You felt yourself spreading for her. A guttural moan left your mouth as she pulled back, the tip leaving you as she watched your stomach tighten at the feeling.
She thrust back into you, once again pulling in and out, slowly getting faster as your breath hitched with every movement. Your moans grew louder than before as you felt yourself tightening around Natasha's strap. Within minutes your thighs once again were tensing, this time round Natasha's waist as she drove herself in and out of you. She noticed your whimpers drawing short and touched your clit with her free hand. After only seconds, the touch sent you over the edge. You moaned Natasha's name loudly as you felt her push into you a few more times, helping you ride out the orgasm. She pulled herself from you. Her fingers ran along your upper thigh and up your slit as she pooled your cum onto her fingers. She climbed atop you again, pushing her fingers into her mouth, sucking the juices off before kissing you deeply with an open mouth, allowing you to taste yourself - like you had done to her. As she continued to tease your mouth with her tongue, her hands reached to yours and freed you from the restraint of her vest. You were dumbstruck, left there a whimpering shell as she got up to remove the strap - tossing it in the corner to deal with later. She then slid under the covers, pulling you into her and stroking hair out your face.
"You took it well, but next time, you won't be finishing so easily."
Next time. Your mind started to wander already. The prospect of a next time was a sweet dream. Though for now, you allowed yourself the sanctuary of protection that Natasha's hold offered, drifting into sleep next to her hoping to never wake, never leave.