9. Busted

warning: this chapter contains smut (including oral sex f receiving)

Eren was waiting outside of the chemistry lab where was class was about to end, he had spent almost two days thinking about what to do with his half-brother and, in the end, he had decided to confront him and quickly move on. If it were for him, he would've probably ignored the man until he had to move to another school, but he didn't want another incident like what happened with you again.

Even Levi had asked him to resolve their conflicts quietly so as to not disrupt the school atmosphere, there was absolutely no need for drama. Although it was easier said than done, some teachers were already on the case asking him many questions about his sibling's sudden appearance.

The bell rang and the lab's door opened as students made their way out, the man's eyes looked for a familiar face and he was thankful not to see you there knowing that you would've been probably worried for him. Once they were all out, Eren entered the room and saw Zeke still packing his stuff in his bag. "I need to talk to you." He decided to skip the awkwardness of exchanging greetings and faking his interest in how he was feeling.

"Hello to you too, Eren." The blonde man turned and offered him a small smile. "Sure, what did you want to talk about?"

Eren sighed. "Not here, follow me to my office please." He didn't want anyone to eavesdrop on their conversation. "This way." He waited until the man had finished packing and they silently walked through the hallway, the tension was almost suffocating. "Here, take a seat."

They entered the office and Eren closed the door before walking to his desk and sitting behind it, Zeke sat at the other end and looked around awkwardly. "I get it that Renata told you what happened."

The dark-haired man leaned against the seat, his arms crossed on his chest and his green eyes staring at the other man with an unimpressed expression. "What you did crossed the line, we're at school, leave your personal matters outside of here." He scolded the blonde. "Not to mention you dragged a student into it, what would've happened if she decided to report what happened to our superiors?"

Zeke tilted his head. "She wouldn't have because you two are having an affair." He pointed out and Eren clenched his jaw. "Listen, I'm sorry for bringing your girlfriend into this, I just wanted to talk to you and I knew you would've listened to her."

"How did you even know?" The brunette muttered under his breath.

"I saw you leaving together a few days ago, you should be more careful when you're still at school, there are eyes everywhere." He cleared his throat. "I just want to talk to you about our father, I know you must feel confused after finding out that he had another family before marrying your mom." He started and Eren snorted. "I don't know why Grisha kept it a secret, I didn't hear from him after his divorce from my mother, I found out about you after I tried to contact him and discovered that he was dead."

His half-brother shook his head. "He was a very secretive man, I doubt my mother even knew about you or your mother. I get that your intentions are good and whatever, but honestly? I don't know you, we may have our last name in common but other than that we're completely different, I don't want to get stuck in the past."

"I see. Well, I thought that maybe you would've wanted to meet your brother, I know how lonely it gets once your parents die and I wanted to be there for you."

Eren studied the man, he seemed genuine, but the idea of being close to him still made him feel uncomfortable for some reason. "Thank you, but there's no need. I'm not lonely and I'd rather live without knowing too many details about my father's first family." It was unfair, he knew as much, but it wasn't his place to apologize for what his father did to his firstborn.

Zeke sighed, his blue eyes and blonde hair did not resemble that of their father at all, but his facial structure and expression were identical. "I see, I think I might've jumped to conclusions before even meeting you, my bad." He leaned against his seat. "I guess I should leave you alone then."

"That would be appreciated." Eren nodded before snorting, that felt too cold even for him. "Listen, if anything happens you can always reach out to me, after all, we're family. Just don't push it, we can go out to get a coffee or stuff like that, but I'd prefer it if we stayed out of each other's business."

"I understand and I apologize for bringing your girlfriend into all this, I admit it was not the right thing to do. But I must admit that I'm worried, what if people find out about you and that student?" His question was very obvious considering the situation, anyone would've asked the same thing.

"You don't need to worry about me or Y/n, we know what we're doing, it'll be fine." Or at least that's what he kept telling himself, of course he was anxious as well but he didn't want to get too ahead of himself, as long as they kept a low profile everything was going to be okay. "I have to go now, I've got a class in a few minutes, thank you for coming here." They got up and shook hands awkwardly, there was no space for a hug or whatever brothers did. "I'll see you around."

And with that, they parted ways, Eren was glad that his next class with you so that he could calm down a bit and enjoy watching your pretty face from time to time as he talked.

Most of the time you didn't even pay him any attention during class which was both frustrating for him and also helpful since he could focus on teaching without any problem. That day, though, he noticed something different in your expression as soon as he sat foot inside the classroom.

You were sitting next to Jean, as always, but neither of you was looking at each other. That wasn't a problem per se, but Eren sensed that you were nervous since you were playing with your pencil and could barely stay still. Had something happened?

He couldn't ask, not yet at least. He hated it, but what could he do about it? Some things were meant to be kept a secret even if he would've liked to let everyone know just how lucky he was.

Class went smoothly, the students followed his explanation without any trouble and he assigned some homework for the following week. Most of the students were gone already but Eren remained there as always, it wasn't unusual for him to wait for everyone else to leave first but lately he had been doing that only to talk to you even for a bit. "Is everything alright?" Was the first thing he asked once he had made sure that everyone had left.

You were still placing your stuff in your bag, your head snapped towards him as you realized that you had been lost in your thoughts all morning. "Huh? Oh, yeah." Your answer came out weak as you sighed and threw the bag over your shoulder. "Did you talk to Zeke?" You decided to change the subject.

Eren was a bit taken aback by your question, he had absolutely zero energy to talk about his half brother, he was more interested in what had happened to her to make that worried expression. "I did, it went better than expected actually." He shrugged, he would've told her the details another moment, when they were at home maybe. "He won't bother you again, that's for sure."

"That's good." You nodded still lost in thought and he frowned, he could feel something was off and it made him feel rather nervous. He raised his hand and caressed your cheek to get your attention, your eyes moved to his face and relaxed visibly. "I talked to my parents." You said after a small sigh.

"Really? What did you talk about?" The man's heart was beating so fast, what if you had told them about your relationship? Would they approve? Of course they wouldn't. That was a stupid question, but he still hoped that you would tell them about you, maybe leaving out the part in which he was your professor.

"I told them I'm not sure about college anymore." You admitted and Eren was brought back to reality, there was no way you could've told them about your boyfriend, the problem was another. "It was kind of bad, they weren't too happy about it." You rolled your eyes.

He patted your head tenderly. "It was expected, no parent would take it well. Did they say anything in particular?"

"Well, it was more like them freaking out and telling me to stop second-guessing everything and focus on my studies. It took me a while to explain my worries but in the end they kind of understood? I don't know, they didn't sound too convinced. Mom said that it's my choice in the end but they won't support me financially if I want to start working." That was to be expected, after all they had been paying for everything, and you felt very guilty about that as well. "I really need to think about it."

"Sure thing, no one's chasing you, you know?" He lowered his head to leave a small kiss on your forehead. "I'm glad you told them, your parents want the best for you and I'm certain they'll help you."

You sighed a little. "I know." You muttered and wrapped your arms around him, burying your face into his chest, his cologne calming you down almost immediately. The effect that man had on you was something else and you were happy about it. "Are you free tonight?"

"Not really, I have a meeting with the other teachers and Armin asked me to keep him company." He stroked your hair tenderly, a veil of sadness in his voice although you had been seeing each other basically every day. "I'll miss your snoring tonight."

"I don't snort!" You jokingly slapped his chest and stepped back. "But it won't be the same without you tonight, that's for sure, I'm not used to staying alone anymore."

"You have a roommate, don't you?"

"You know what I mean." You rolled your eyes and he smiled placing his hands on your waist, he pulled you towards him and leaned towards you, your foreheads against each other. "Isn't this against our rules?"

He sighed. "It is, but there's no one here or around, most classes right now are on the other side of the school." His hot breath hit your face.

"That's oddly convenient." You giggled as you felt him pressing your body against his. "I mean, I could get a little late to my next class if that means I can get some more time with you." You muttered kissing his cheek.

His eyes widened for a slight moment, the sudden realization of the situation you were in made him question whether it was a good idea or not. Anyone could've walked by and caught you doing even the simplest thing like hugging, that alone could cause a scandal.

Yet neither of you walked away nor pushed the other away, the atmosphere had drastically changed and both of you felt trapped in some sort of trance, just the two of you alone in an empty room. Eren checked the door, which was closed, his mind was telling him that it was too risky to do anything, but he didn't really listen to it.

He leaned a little lower and placed his lips on yours, the bitter taste of his coffee made you smile subconsciously, you could've recognized it anywhere. Your arms surrounded his neck to get more balance as you deepened the kiss, it hadn't been that long since you had last seen him yet it felt like an eternity.

Not being able to touch him whenever sucked, sometimes you would fantasize about him being a student, holding your hand in the hallways, kissing you when you were on breaks and having lunch together while you chit-chatted about anything. Even at that moment, you would've worried about being found out making out and sent to the principal or something, not about being found with a teacher.

"I missed you." He murmured against your lips, it was intoxicating to say the least, suddenly all your worries vanished into thin air and you leaned against your body and he hummed happily. "Stay for a while?" He whispered.

"Mhm." You nodded. "But we need to make it quick."

"Don't worry about that." Eren placed his hands on your waist before lifting you as if you were as light as a feather, you giggled as he placed you on his desk, he checked the door once again to make sure it was closed and then went back to looking at you. "This will be a small breach in our rules so let's make it count." He smirked and you widened your eyes.

Where did this side of Eren come from? You had seen him being flirty but this was on another level. It made you feel some type of way, you could feel butterflies in your stomach and heat spreading through your body. "Ok." You replied shyly not knowing what exactly he had in mind.

You wrapped your legs around his torso and pulled him closer to kiss him, your lips moved frenetically against each other, they were almost clumsy because of the intensity of it. You weren't trying to be sweet or slow, it was lust mostly that filled you with the need to feel him as close as possible.

His hands were caressing your skin as much as possible, eager to explore all the places he knew by heart, wanting nothing more than to let you know how much he desired you in every possible way. It made you feel wanted and good, the way his fingers brushed on your cheek, then neck, arm, and hip until they were making their way up on your thigh, lifting your skirt and stopping right on your core. A small sigh escaped your lips, your eyes closed as you waited for him to do more.

To do something, anything.

His other hand moved up to your hair before gripping at it and pulling it, that way your neck was fully exposed just for him. He immediately took advantage of that leaving sloppy kisses all over it, hitting all your sweet spots while teasing you down there.

"Eren." You whined, he was enjoying it and taking his time when you had made it clear that you didn't really have time. You were playing with the hair at the base of his neck.

He smiled. "So eager, are we?"

"Someone might come."

"Then I should make it quick." He whispered in your ear sending shivers down your spine. "Open your legs for me." You did as he said, his hand immediately slipped inside your panties feeling your wet center, he sighed content and started touching you, exploring you until he found the right spot that made you shut your eyes in pleasure.

You hummed as he rubbed your clit, it was hard to completely focus on that since you were feeling a little anxious about being in a classroom. Nevertheless, it was exciting, it was risky and new. "Please." You begged, it was not enough.

The man kissed you again and slowly inserted his fingers in you filling you up, it made you relax almost instantly. You moaned against his lips as he started pumping inside of you, it was always so satisfying and a warm feeling. "Do you want me to make you finish quickly?" He asked then pulling away from your face a few inches. You nodded enthusiastically. "I know you do, your so wet right here." He pulled away his hand and lightly slapped you down there making you moan. "I need to hear you say it."

You gulped and looked at him right in his eyes, his emerald green eyes that had nothing but lust and love. "I need you to make me finish, now." You murmured getting closer to him until your noses touched. "Please?"

"That's what I wanted to hear." He pecked at your lips and grabbed your thighs spreading them apart before going slowly down while keeping eye contact. "Now keep looking at me, look how good I can make you feel." He smirked.

You blinked curiously as he kneeled in front of your spread legs, his breath hitting your needy core. Then, suddenly, you felt his fingers pulling aside your panties followed by his tongue brushing against your clit. You couldn't help but let out a sigh of relief, it was just so satisfying to feel him trying to pleasure you.

The tip of his tongue was soft yet it could put enough pressure on the right spot, it still amazed you just how good he was at it. A soft moan escaped your lips as he started to lick you more fiercely than before. "Shh." He whispered against you. "Someone might hear." Eren raised one hand and squeezed your boob.

It took you all your self-control not to let him know just how much you were enjoying it, every thought concerning the place and the people that could find you disappeared completely.

You placed your hand on your mouth trying not to make any sound, the only thing you could hear was Eren giving you the best head you had had in a while, not to mention the growing feeling of pleasure that was spreading through your whole body.

But no, it was still not enough. You needed more, you wanted him to take you right there. Just a quick fuck on his desk would've been nice, no one would've noticed and you could've bragged about it later on.

Your thoughts were suddenly interrupted by his fingers penetrating you once again, only this time the feeling was amplified by his tongue still stimulating your clit. "Fuck." You gulped, you didn't know how long you could last like that. "Eren." You whined. "I want you so bad." Your legs were shaking frenetically even if you were trying to keep them in place.

At that point, you could do nothing but let yourself sink in that amazing feeling that was slowly building up till reaching the climax you had been craving, your head snapped back as your mouth opened wide while trying to keep any sound in. Your muscles tensed as Eren was slowing his motions, you then felt completely relaxed as he pulled away and looked up at you.

"You did so well." He caressed your inner thigh, his words made you feel all fuzzy inside and happy, your expression was probably the reflection of the ecstatic state you were in. "Did you like that?" He asked as he got up and reached for your lips, you could feel your juices as he kissed you but you didn't mind.

"I did." You smiled and wrapped your arms around his neck. "I didn't take you for the risky type."

He chuckled. "Why? Because I'm a professor?"

You rolled your eyes playfully. "Maybe?"

There was a pause in which both of you laughed a bit and looked at each other in the eyes, there was this calming and sweet atmosphere around you and you hoped you could stay like that forever.

However, fate had another plan for you.

Suddenly, the door opened wide and Jean stepped inside carelessly. "Hey, are you still here-" he stopped as he saw you attached to Eren, sitting on his desk with your skirt lifted. You tried to push him away and get down immediately. "What is going on here?" The boy asked looking at you in shock.

"Jean." You tried to adjust your hair and clothes before stepping towards him. "I can explain everything."

Shit.

That wasn't supposed to happen, not at that moment, not with Jean. He was the last person you wanted to find out, he was not on your side anymore, what's worse, Eren could've gotten in so much trouble if you weren't quick enough to shut the boy.

"You... he is the guy you are replacing me with?" His voice sounded almost disgusted, you could tell he didn't want to believe it and you could understand why. "Are you for real?" He asked now angrier.

You took a deep breath. "It's not like that." You tried to stop him before he could say anything, but your friend decided to turn and walk away leaving the classroom and you two there. "I have to talk to him." You said to Eren panicking. "I'll call you later."

"Let me know." He had this worried expression that you had never seen before, it wasn't the usual serious face he used to make, this one was pure terror. He had probably just realized what had happened and what could lead to.

And you? You felt like throwing up at any moment.

So you followed Jean, your steps were so quick that it looked as if you were almost running. "Hey, wait!" You finally reached him as he was about to turn in the hallway. "Jean!" You grabbed his arm and stopped him, he looked at you and he seemed... hurt? You weren't sure, he had never shown such emotions before. "Let's talk, please."

He scoffed. "Now you wanna talk?"

"It seems kinda obvious, don't you think?"

The boy shook his head. "For how long have you been screwing our history teacher?"

"I'm not screwing him." You tried to defend yourself.

"If you're just gonna lie we can stop it right here." He commented harshly. "Tell me the truth, Y/n."

You sighed in defeat. "We're in a relationship." Your words made him widen his eyes in surprise. "As for the rest, it's as I said, I liked him but I wasn't sure if I was completely over you so that night I kissed you and felt nothing." You were being cruel, but you needed him to stop acting like a child and forget about you. "You can't tell anyone, if you do things will get messy."

"I think they're already messy as it is. Does Mikasa even know?" You shook your head. "Wow, you know she's been in love with him for so long and you still did it? That speaks a lot about what kind of person you are."

"Oh yeah?" That sentence made your blood boil, how dare he say that to you when he had been so unfair to you? He was the one who had made your relationship hell and he still couldn't see past his arrogant ass. "Let's be fair then, I might be an asshole because I like the same man my best friend likes, but you... you're not any better!" You replied and he frowned. "Jean, does it occur to you that the reason we broke up in the first place is that you are so full of yourself and belittle everyone around you? You kept comparing me to Mikasa, I even heard you say that you would've preferred being with her rather than me. Do you know how much that hurt?" You poked at his chest with your index. "Yet you want to tell me that I'm the asshole?"

Jean gulped and looked away, thinking about the situation at hand. You hoped he could've raised just how awful he had been to you and keep your secret to apologize for it. "I don't know what to say. But honestly, you fucking Professor Jeager is the last thing I expected from you, you've always said that you couldn't stand that man... but it was all a lie." After a few seconds, he sighed again. "Listen, I don't really care but you gotta tell Mikasa, it's the right thing to do."

You started shaking your head frenetically. "Oh no, no no. Jean, this is serious. If she gets mad and tells someone Eren will get in so much trouble."

"Should've thought about that before deciding to fuck a student, besides you're both adults so it's not like it's illegal or something." He patted your shoulder. "Look, I'm just being honest, this is messed up and you need to tell your best friend, I don't think she'll do anything to arm your loved professor. What I know is that she deserves to know."

"She won't forgive me."

"That's on you."

You glared at him. "So I should've turned him down even if I really like him? That doesn't seem fair to me. Besides, he chose me not her."

"Do you even hear yourself?" He looked at you with disgust which made you feel even worse. "And she even- no, nevermind. Just tell her or I will." And with that, he walked away leaving you alone in the hallway.

Your heart was racing like crazy, it felt as if you were going to faint soon. You knew the risks and you had accepted them long ago, but now? You kinda hated yourself for doing that. If things weren't the best with your friends before, now you were totally fucked and for what? For having feelings for your professor who also happened to be your best friend's crush.

"Fuck." You mumbled and looked at the ceiling, were you going to cry? No, it was too late for that. Jean was right, you had to tell Mikasa and god knows what would've happened. You checked the clock on the wall and sighed, class was almost over, at that point, it didn't even matter.

You grabbed your phone and texted your best friend to let her know that you needed to talk to her as soon as possible. The sooner the better, it was like removing a bandaid. She replied almost immediately asking you to go to a cafe with her since she was done for the day and you agreed.

Well, things were already fucked.