attack on titan x reader

Tutoring sessions *lemon*

Reiner x reader
Modern AU
You were currently standing in front of Reiner's you rang the doorbell and patiently waited then you began thinking 'jeez out of all the people (teachers name) could have asked it just had to be me' 'of course I wouldn't have a problem with it but of course it had be Reiner of course it had to be the guy I like' you were brought out of your thoughts when you heard the lock on the door move you looks up to see Reiner in a white tank top you could see his muscular body and arms he also wore nice fitted jeans 'holy shit' you thought to yourself as your cheeks started to heat up a bit despite you mentally freaking out you answered him with a monotone calm voice
"hey" you said waving your a bit
"Hey (F/N)" Reiner said looking at you up and down
You started to fidget and feel uncomfortable under his gaze Reiner noticed and smirked
"So uh you gunna let me in or are we just gunna stand here" you broke the awkward silence between you to snapping Reiner out of his thoughts
"Oh right sorry" Reiner said stepping aside scratching the back of his neck as you soon entered the living room you heard a cute little voice

"Reiner who was at the door?" You looked down to see a little girl with two short pigtails and big Amber coloured eyes. The little girl saw you and gave a devilish grin
"OOOH Reiner is this your girlfriend" she said giving a cute little giggle then she continued
"Mommy Reiner has a girlfriend" she called out
You saw a blonde woman poke her head out of the kitchen
"Aww how cute my baby is growing up, Hi my name is Mary and I'm Reiner mom so how long have you and my son been going out" she said while shaking your hand you looked back at Reiner and he mouthed a sorry you turned around and said
"Very nice meeting Mrs.Braun I am (F/N) and me and your son are not couple we are just friends and I am here to tutor him"
Before Mary could say anything Reiner jumped in grabbing your hand
"Well mom we have some work to do so if you don't mind we will be leaving now" he said quickly running up the stairs bragging you behind him
Once you got to his room he closed the door
"I'm sorry (F/N)-" he began to apologize but you cut him off
"Don't worry it's fine it happens, we should really get to work" you said taking out your textbooks
Reiner sighed and walked over to you grabbing the textbook from your hand and tossing across the room he titled your head and placed a kiss on your lips you stood their wide eyed and dumb founded as Reiner went in for another kiss it took you awhile but finally you started to kiss back he took it as a sign to go further he slid his tongue into your mouth and left no area left untouched you softly moaned into the kiss. As your kiss got deeper and more intense you both started to take of articles of clothing first you took off your shirt then he took off you pants. You then took off  his shirt and started to run your hands all over his chest as you were doing that he went to go take off his pants. You both were standing in the middle of the floor but you both were to caught up in each other to move to the bed, Reiner gently laid you down on to the floor and placed kisses all along your jaw line and then bit your ear which caused you to sigh from content he went back to your lips and then you neck playfully nipping and sucking on it. Slowly he made his was down to your chest and finally to your breast you arched your back so he could unclip the bra once he did he pulled it off and started to knead and massage your breast you let out airy moans as he flicked your nipple with his tongue and then taking the whole bud into his mouth sucking and licking it. Once he was done he placed soft wet kisses down you stomach stopping right at the hem of your panties he bit the hem of your panties and slowly started to peel them off  once he was done, he went straight to your hot wet cavern he spread it open with two fingers and gently blew on it you gasped at the sudden changed of temperature and then he finally started to lick your clit  rubbing his tongue around it and over it, you started to moan a little louder when he did that but then you moaned a lot louder  when he gave a harsh suck to your clit.he stopped and looked up at you and got up
"Aww why did you stop" you groaned
"Because you being way to loud we are gunna get caught" then you saw him pulled a tie out of his drawer  he walked over to you and said
"Open your mouth" you complied to his wish and did so then he tied the tie around your head to make a gag to muffle your moans
"There we go" once he was done with that he went back to his job this time licking you and sucking you harder then before he started to pump one finger into at a rapid pace adding another as time past he started to move his finger in a scissoring motion you moaned louder and louder. Your walls started to clamp and tighten around his fingers he pulled out his digits and shoved his member in without warning you screamed in pain at the sudden entrance he waited a bit before he slowly started to thrust. His pace was all over the place slow to fast and back to slow with every movement of his hips made you go crazy eventually you started meet his thrust bucking your hips at whatever speed he was going with this made him gasp and groan making him go faster and faster to the point he was mercilessly pounding into you, eventually your walls started to clamp around his member causing him to mumble profanities under his breathe you felt him twitch inside you and his pace started to move even quicker then before finally you both came and he fell next to you. You poked him and he looked at you and you started to tug at the gag he chuckled and untied it.
"Well that happened...Not like I didn't enjoy it but..."
You trailed off and he laughed a bit pushing a stray strand of hair behind your ear
"You have no clue how long I have been wanting to do that, truth is that I really like you and I was going to tell you while we were working but I couldn't hold back anymore"
You giggle cutely and he pulled you in
"I love you (F/N), please be mine" he said kissing the top of your head
"I love you too" you said but you stopped when you heard the door knob turned and you saw his little sister standing in the doorway
"Reiner what are you doing" she question innocently
"(F/N) is teaching me about the human body Becky go back down stairs"
"Then why are both sweaty and what is this white stuff all over the place?" She asked cocking a brow
"It's nothing Becky just go back downstairs" Reiner demanded while you sat there mortified that his little sister walked in on both of you.
"Hmph fine if you won't tell me then I will ask mom" she hmphed closing the door
"No no no BECKY COME BACK" Reiner yelled but she was already gone
The end
Hoped you guys liked it sorry for any mistakes.
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