Sebastian (and characters)/reader One shots (fluffy and smutty)

Yoga master (Bucky fluff,some sexual tension)

Steve crossed his arms and rolled his eyes at you. "You're overacting its only 2 days!" he whined. "Well what am I supposed to do with him?! I'm not an expert in super soldier babysitting!!!" You groaned back. Steve had asked you to watch keep Bucky company for 2 days while he went to take care of some business in Wakanda with kind T'challa. He wanted you to try to get Bucky to open up to you for reasons he refused to disclose. "Please!!! He needs this!!! And honestly so do you!!!" Steve begged. "Okay, okay. I'll do it but if you come home and the apartment is on fire then I take no responsibility!" you responded. "Great! Be at our apartment with your stuff at 3!" He sang and skipped off.
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You had been spending the last few hours with Bucky and you were watching him while the tow of you ate dinner. He was a quiet guy and he looked like a lost puppy, but at times he was too tense to really interact with. You always felt like he was gonna punch the wall when you would talk to him. Fortunately you had an idea of how to help him relieve some of his stress. "Hey Bucky?" You said quietly. "Huh?" He said shyly. After dinner I'm going to the gym, do you want to join me?" you asked quietly. "Urm....sure." He said trying to be polite.
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The two of you arrived in front of the building and you looked over at him. He looked at you confused and said "uh, (y/n) this not the gym....". "I know, this is a yoga studio!" You sang. "But why are we here?" he said nervously and rubbed the back of his neck. "Well, you seem a little tense and this helps me a lot so I'm hoping it will help you!" you said calmingly and smiled at him. He nodded and gulped as you grabbed his hand and pulled him through the doorway. Once you found a place for the two of you to set up you took off your sweatpants; leaving only your leggings and tank top. Bucky looked over at you and quickly looked away to hid his blush. He was uncomfortable at first but it was cute watching him attempt to make his normal workout outfit yoga appropriate. He was like a little kid taking off his shoes and tugging at his shirt while frequently looking over to you. Once the instructor walked in and introduce herself she announced that this would be partner yoga today so the calas needed to pair up. Bucky quickly scooted closer to you and grabbed your wrist with his flesh hand. You suddenly panicked realizing how intimate partner yoga can be. The instructor then had everyone go down into downward dog. You stretched out the tension you could feel building up from embarrassment and you looked over at your new yoga partner who was staring directly at you. He slowly got into position, glancing down the back at you repetitively. His hair was getting in his face and he kept attempting to brush it out of the way until he finally gave up and asked for a hair tie. He was still trying to figure it out but he had gotten pretty good at man buns and you weren't complaining. It was kind of adorable. The warm up yoga wasn't bad but you knew that you would have to get really really comfortable with one another any second now. The instructor showed the first position and started to walk around to help people. You and Bucky were the only ones still standing there awkwardly, stunned at the physical contact required for Thai position. The instructor told Bucky to get on his back and get ready to support you. He did as he was told and looked up at you with wide Bambi eyes. You then knew it was your turn and slowly crawled on top of him and linked hands. He pushed your hands up and locked both of your arms so they were straight. He used his legs to hold yours up and you found yourself grow very red when you felt your legs run against his. You continued to move and stretch with one another and ended up in some pretty compromising positions like downward dog in which Bucky had to bend over you. But you made it through the class. The two of you were walking out in a dangerously quiet fashion when Bucky finally said something. "That was nice. I feel relaxed." He said shyly. "Oh really? I never took you for a yoga guy, but I'm glad you enjoyed it." You quietly responded. You had almost made it back to the tower when Bucky stopped. "Y/n?" He said timidly. "Yeah buck, you okay?". "Well....depends." He sighed and you took a step closer to him putting your hand on his upper arm. "On what?" You ask. "On if you'll take me with you to yoga more often. I really like you (y/n)." He half whispered and looked down at you with  hopeful eyes. "Awe buck! Of course I'll take you to yoga! But only if you take me out for dinner tonight." You said and smiled up at him. His face lit up and he pulled you into his arms and peppered your face with kisses. "Doll I'll take you out every night!"