Fine Line (Bucky Barnes x OC)

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Bucky was driving Luna crazy. Since the night of the stake-out, he had taken to walking around the house shirtless. The asshole even took it as far as sleeping in just his boxer, knowing that in the middle of the night she'd end up pressed up against his almost naked body. She could see every little smirk or half concealed chuckle when he'd catch her staring. He was loving every minute of teasing her.

Luna hadn't desired a man in years. Hell, she hadn't even wanted Bucky...until now. He filled her dreams and crept into her waking thoughts. She was becoming distracted and it was a problem. When she was having drinks with Megan on the back porch, Luna couldn't even concentrate on what Megan was saying. She would be too busy staring at Bucky through the kitchen window. The sight of him walking around in just a pair of black sweats made her heart accelerate and heat pool between her legs. She'd follow his every move until Megan started teasing her after catching Luna staring.

Everyday spent faking a marriage to Bucky was taking its toll. Each touch or kiss they shared in front of Megan made Luna crave him more. What she wasn't sure of though, was if she was craving the relationship or just his touch. It may have just been part of the mission, but Bucky made her feel special.

She saw something in his eyes when he looked at her. She heard his breath stall when she slipped her hand into his or when her arm encircled his waist. No matter what she told herself, that wasn't part of the mission. Neither was the lust she saw when he caught her coming back from a run in her leggings and sports bra, or the sparks she felt when she woke in the morning and his skin was touching hers. Luna needed a release if she wanted a reprieve from thinking about letting Bucky do downright filthy things to her.

Her next problem was how she was supposed to accomplish that. The house was small and they shared a bedroom. Bucky barely left the house unless he was tailing Thomas, which wasn't often because it seemed Thomas was waiting on something to arrive before moving forward with whatever it was he was doing. At least, that's what Luna and Bucky had been able to gather from the wire tap in his office.

If she was going to do this and not get caught, she needed a plan. Bucky liked to go on a run in the evening while Luna stayed behind trying to dig up any background information about Thomas and Megan. Nothing was off limits. From past and present associates and property titles to things as trivial as speeding tickets. She'd spend most of the night triple checking everything through SHIELD's systems and cross referencing any information she found with the little information they had already gathered. If she took advantage of the empty house long enough, she could finally get a little relief for the ache that had been growing in her core.

When evening rolled around, Bucky walked into the kitchen right on schedule. He was dressed in shorts and a t-shirt, letting Luna know that he was about to leave for his run. She kept her head low but watched him out of the corner of her eye.

"I'll be back in a bit, LuLu." Bucky said.

"No problem. Take as long as you want." Luna said.

Bucky stopped next to the island where she was seated and looking over some of Thomas' financial documents.

"You trying to get rid of me?" Bucky leaned onto the counter and stared her down.

"No. Just gonna be nice to have some me time. You know I flourish in my solitude. You should probably head out now." She looked up and gave him a beaming smile.

Bucky's eyes narrowed. She hadn't tried to push him out of the house the entire three weeks they had been there. He was curious as to why she was trying to push him out now. Luna looked back at him with wide, innocent eyes, but there was something mischievous lurking below the surface.

"Uh-huh." Bucky clicked his tongue. "See you in an hour."

When the front door closed and she heard the lock click in place, Luna slid off the stool and left her files scattered on the counter top. She walked into the bedroom and locked the door then laid on the bed with her eyes closed. Luna wasn't a stranger to pleasuring herself. That was the only form of sexual release she had since her last relationship, but now it felt–wrong–and she knew exactly why. It was because her sexual frustration was caused by a man she couldn't stand just a few weeks prior.