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Today is the day. Eren is tired of his advances being rebuffed or straight up ignored. He's going to try something new.
Pulling out the plaid uniform skirt he "borrowed" from Mikasa, Eren slides it on over freshly shaved legs, marveling at how soft his skin is. Standing, he gives a twirl in the mirror but is disappointed to see the hems of his boxers peeking out. That won't do. After only a moment's contemplation, Eren pulls down his underwear, discarding them to the side. He twirls again, this time he looks better. It may be a bit airy without boxers but it also gives him another, even better idea.
Striding into his adjoining bathroom, Eren pulls out his makeup bag. He doesn't plan to do anything dramatic, just some nice wing tips and mascara. It accentuates and sharpens the colour of his teal eyes. Last minute Eren decides to add a shiny coat of pink lip gloss and a barrette to pin back his hair. Gathering up the rest of his supplies for the day, Eren grabs his bag and heads out the door before anyone can see him. His mother would definitely have a few words about Eren's appearance. Mikasa won't have any way to stop him if he's already dressed like this by the time she finds him.
Thankfully Eren is able to avoid his sister until the bell rings and they're sitting in the classroom. Even as she waves him over to sit with her in the back he sits down at a desk in the front row. The heat of her glare is palpable when she no doubt realises his plan and notices what he's wearing. Eren hasn't exactly been secretive about his crush on their homeroom teacher.
"Good morning," Levi's deep voice cuts through the chatter, effectively silencing everyone. The girls swoon and giggle quietly, faces blushing and red as they look at him.
Eren himself, can't help but get a little flustered. He doesn't usually sit up front but he definitely would have sooner if he had realised just how close it put him to their teacher. He can smell the musky spice of Levi's cologne and see the way the buttons of his shirt strain against his chest as if ready to pop off. His biceps pull his sleeves taut with each movement of his arms, making Eren's mouth water.
Once the class is suitably settled school announcements start and Levi sits down at his desk to take class attendance. As his eyes flick from the computer screen to the students, Eren takes this first opportunity to strike. Uncrossing his legs, he slouches further down in his seat, spreading his knees further apart. If he hadn't been watching he would have missed the subtle widening in his teacher's eyes when they flick back over to the class. He also would have missed the light dusting of pink that colours his cheeks.
Clearing his throat noisily, Levi stands up to start classes. Eren doesn't close his legs for the entire morning, at one point he even shifts back in his seat and lifts his foot up onto his chair so he can hug his knee. This time everyone notices when the teacher starts coughing, his face going red from it.
Once he manages to get himself under control, Levi glares sharply at Eren, "Jaeger. Both feet on the ground."
The rough, demanding tone in his voice makes Eren shiver in anticipation, "yes dad— I mean sir."
Silvery blue eyes narrow dangerously, large black pupils darting down to Eren's still spread legs. Half hard cock on full display to him.
"I'd like you to stay back for a moment when first bell goes off."
A thrill of excitement makes Eren's cock swell under the skirt, "yes Mr. Ackerman," he decides not to push it any further, knowing he's going to get what he wants. He doesn't, however, close his legs and Levi doesn't stop letting his line of sight drift downwards.
Eren doesn't move when the bell goes off but he does sit up and cross his legs as the class clambers to get out for their break. Levi doesn't speak as he walks over to the door, closing and locking it behind the last student to leave.
"Why did you lock the door, sir?" Eren asks with mock innocence.
"What kind of game are you playing here, Jaeger?" Coming to stand in front of Eren's desk, Levi crosses his arms over his chest.
Putting on his best face, Eren blinks up at him owlishly as he bites his lower lip seductively, "I don't know what you mean Mr. Ackerman. Was it because I almost called you daddy? Sorry, sir. It was an accident."
Black pools of desire bleed into slate at Eren's blatant disregard for propriety as his teacher leans down to face him, "say it again."
"Daddy."
"You shitty brat," Levi grips Eren by hair and yanks his head back, growling, "you need to be punished."
His kiss is hard and biting, teeth scraping over his lip sharply. Eren gasps as he's pulled to his feet and dragged around the edge of the desk. He tries to keep up with the brutal roughness, crying out when Levi forces his tongue between his lips. The desk digs into Eren's thighs as he's pushed against it. He kisses Levi back desperately, wantonly, ignoring the mess of his lip gloss that smears around their mouths.
Pulling away first, Levi tugs Eren forward before forcing him to turn around and bend over the desk, "if you want to be a smartass you'll pay the price for your insolence," flipping up Eren's skirt, Levi bares his ass to the empty room, a knee forcing his legs apart.
Eren's cock is hard and leaking where it hangs between his legs, begging to be touched. He's unprepared for the sharp sting of a hand that makes contact with his ass cheeks. It's embarrassing and painful, making Eren's flesh throb and heat up from the combination. Yet, his erection only pulses in arousal, twitching for more. Another slap, just as hard as the first and Eren cries out in pain.
"Ah— daddy that hurts,” Eren’s not lying, but he punctuates his words by bending over further, spreading his legs more. He likes the pain and humiliation that comes with being spanked like a disobedient child.
“Look at your twitching hole Jaeger, so eager for me,” after slapping Eren’s ass again, Levi grabs his cheeks, spreading him open. He rubs his finger over Eren's hole as he grinds his crotch against his thigh impatiently. His finger feels wet and Eren belatedly realises that Levi must have been prepared with lube or oil. There's no preamble before he sinks his finger into Eren's body in one smooth motion. He doesn't stop at the first or second knuckle. It’s not until he can't go any further that Levi's finger stops, the digit sheathed tightly against Eren's inner walls.
Having never been touched inside before, Eren is surprised at how big just one of Levi's fingers feels. Thinking about how big his own cock is, he can't imagine what Levi's will feel like when it's splitting him open. He could always tell how much bigger Levi’s cock was by the way his pants hung over his crotch. Eren knows he won't have to wait long to find out.
A belt being undone, followed by a zipper makes itself heard, sending another thrill of arousal straight to Eren's already throbbing length. The fabric of his skirt rubs over the head of his cock, sending shivers of sensitivity rippling through him. It's only further magnified by the near dry pull of Levi's finger out of his body. Gasping, Eren presses back as if chasing the retreating finger with his ass. That earns him another light slap on a buttcheek.
"Tch, be patient, slut," Levi growls, rubbing the crown of his cock over the still tight entrance of Eren's body. It’s only for a brief second before he begins to press in.
The tip alone feels incomprehensibly huge as it stretches him to accommodate it. It hurts, the burn of it radiating out from his unprepped hole and Eren nearly cries out from it before stopping himself. He doesn’t want Levi to stop.
“That hurts so good.” he whimpers instead, fingers white knuckle gripping the edge of the desk. Eren wonders briefly if he’s bleeding from the stretch, positive he’s split open from the sheer girth. Just when he thinks it’s not going to fit, Eren feels his body relax once the head of Levi’s cock makes it through. It’s still big, but nothing compared to the burning stretch of sliding in. Levi doesn’t stop there, continuing to stuff his fat cock into Eren until he can feel his stomach bulging out from it. He’s not even given a moment of reprieve before Levi is pulling out again to slam back in. The force of it makes the desk scrape across the linoleum floor with a screech.
“D-daddy please, fuck me harder.” It’s all Eren can say, not that he needs to with how hard and fast Levi continues to thrust into him.
“Yea, your cunt is so tight around me, milking my cock so well already.”
The sinful crassness of Levi’s words makes Eren’s body pulse in anticipation. Fingers dig into his hips bruisingly hard even through the thick fabric of his rucked up skirt. His ass cheeks still sting from being spanked earlier, on top of each vigorous push of Levi’s cock that parts his insides to pound what he thinks is his prostate. The tight coiling of Eren’s orgasm sparks in his lower back, sending crackles of pleasure rocketing through his body. A new, overwhelming desire is ignited somewhere deep inside of Eren. Somewhere between the wanton bend of his waist as he presents himself to Levi, and the echoing slaps of Levi’s thighs against his ass, Eren wants to be filled with his seed. Wants to be bred until Levi’s cum is leaking out of him and his belly swollen with it.
“Ah— yes fill me up with your milk. I want it.”
“I can see how much you want it, the way your eager hole sucks my cock in,” Levi growls as he speeds up, “I’ll fuck my come into you, baby.”
“Do it, daddy, don’t hold back,” now Eren rocks his hips back to meet each of Levi’s thrusts in perfect rhythm. His hips feel made to be pressed onto his teacher’s cock so perfectly. The heat grows brighter with each jolt, the feeling of his orgasm building and swelling within him.
Levi doesn’t hold back, the desk sliding with each pounding thrust. The band holding Eren’s climax back snaps when he feels fingers tangling in his hair and yanking his head back harshly, “Come for me slut.”
Eren does. He has no choice, his cock throbs with it. Wet hot spatters of Eren’s release coats the inside of his, well, Mikasa’s skirt. Oops. Unable to control the violent jerks of his climax, Eren’s head is only being held up by Levi’s hand in his hair, still pulling brutally as he continues to fuck him with ruthless precision.
“So fucking filthy, making such a mess on yourself,” Levi’s words are stilted by each roll of his hips, a low rasp as he edges on the cusp of his own orgasm and Eren is eager for it. Eager to feel Levi’s cum fill him until it’s oozing out from his abused hole.
Cursing, Levi’s hips stutter as he finally comes, hot ropes of cum painting Eren's inner walls. Eren can feel the way Levi's cock throbs with each pulse of his release. It keeps filling him, hot and thick until he feels like he's going to burst. Levi doesn't stop thrusting, fucking his seed deeper into Eren until he eventually collapses on top of him, sated and tired. Heated breath fans over the back of Eren's already sweaty neck. His hair sticks to his skin from the humidity they had generated together. Only now does Eren notice the sticky lip gloss smeared around his mouth and the tears streaming down his cheeks. He can tell his mascara is running from the drops of black wetness on the desk below him but his jellied limbs and Levi's weight prevent him from moving.
"Sir— I need to get something," Eren struggles against the desk trying to reach for his purse.
With a grunt, Levi stands, his soft cock slipping out. Instinctively, Eren clenches his ass. Not yet. Getting up on shaky elbows Eren manages to grab his bag and open it. Turning on his side he holds up his hand and between his fingers is a fuschia pink butt plug with an equally pink jewel adorning the flared end.
Levi raises an eyebrow but his lips curve up into a slight smirk before he slaps Eren's ass, "what a slut."
Giggling, Eren shimmies back down the desk, resuming his position bent over it before holding out the plug, "will daddy do the honours?" He wiggles his ass enticingly.
Snatching the toy out of Eren's hand, Levi growls before pressing the tip against his cum slicked hole, "beg for it. Show me how much of a whore you are."
Eren already feels his cock twitching again, making him arch back to lift his ass, "please shove it in me. I want to keep it inside and feel you filling me up."
With each word Levi presses the plug more firmly against Eren's hole, stretching him open again, "that's a good boy Jaeger. So eager to please."
Thankfully the toy isn't much bigger than Levi's girth at its widest point so it slips easily into his already stretched entrance, the flared base nestling snuggly between Eren's cheeks.
A sharp pinch startles him, making Eren yelp and stand up. The movement causes the plug to slide deliciously against his insides and his legs buckle, but Levi's hands are big and warm around his waist.
"Careful."
Levi is already tucked back into his pants and looking as put together as ever. It makes Eren pout a bit because he knows his makeup is running, his skirt is caked in cum and a button tore off his blouse at some point. The bell signaling the end of their break goes off and Eren is hurriedly trying to put himself back together.
He's dabbing at the streaks of mascara when Levi goes over to unlock the door, "I'll see you in detention after school."
Eren is unable to respond before the rest of the class comes streaming into the room. Mikasa is glaring daggers at the teacher but she doesn't go to Eren. Instead making a beeline straight for her seat and pointedly ignoring him. Eren's not concerned though, he's rather looking forward to detention.