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dadsperm · 11 months

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𝐁𝐢𝐠 𝐁𝐫𝐨𝐭𝐡𝐞𝐫 𝐖𝐚𝐧𝐭𝐬 𝐭𝐨 𝐒𝐡𝐚𝐫𝐞

˚₊‧꒰ა ☆ ໒꒱ ‧₊˚ 18+ only... no minors please... ˚₊‧꒰ა ☆ ໒꒱ ‧₊˚

big brother!seishiro nagi x f!reader x reo mikage

1288 words. f!reader

content warnings: incest (full) - dubcon - threesome - fingering - praise - good girl - slight cucking - power dynamics - slight edging

all characters aged up btw

"You're a pretty sick guy, Nagi, you know that?" Reo laughed idly as he watched your big brother towering above your frightened form. Your eyes moved between the two older men in front of you, unable to believe what was about to happen.

You've always had a thing for Reo. He's cute, he's rich, and the way he's looking to devour you in this moment makes your heart race. Your eyes are fixated on him as the hair he's consistently attempting to keep tucked behind his ear keeps falling in front of his eyes.

A gasp leaves you as Nagi pinches your cheeks and forces you to look at him. His brown eyes staring daggers into your, it's like he's examining how you could even have the audacity to look at a man who isn't him.

"She's my little sister. I'm meant to protect her, isn't that right?" he speaks without shifting his gaze for even a second. You nod, obediently, earning a smile from him. "It's my job to look after you... so I think it's my right to break in your little pussy."

"M-My pussy?" you stutter. You gasp once again as he forces your legs to spread. He flips up your skirt and presses your chest hard enough that your back connects with his unmade bed. You shudder as you feel a slender finger run up the line of your slit. Your soaking panties become stickier with each second his digit is pressed against you.

"Yeah... pretty pussy, baby. Virgins always get wet so easily... 'n your even wetter because you're excited for your nii-san to fuck you. Mmm..." he groans, still teasing your panty-clad folds as he begins to palm at his cock.

You whimper, and he catches the way you glance at Reo like he's your saviour. Like you're begging him to understand you've never done this before, let alone with your brother, and you're oh so worried. Nagi moves the gusset of your panties into the crease of your thigh, baring your petalled flesh to himself and Reo.

"Woah..." Reo speaks. He turns into a blushing mess as he can't tear himself away from the sight between your legs.

"Never seen a cunt before, Reo?" Nagi asks, a single finger circling your sticky clit before he ease it into your tight heat. "Don't tell me you're a virgin, too." he laughs, shallowly.

Reo clears his throat, his eyes finding yours as he searches for your reactions to the pleasure like an addict. The way your face winces at the single finger intrusion couldn't have ended in any other result besides from him being rock hard. His cock straining against his jeans. He's losing his resolve, knowing he'll need to touch himself soon to alleviate the tension.

"No, I- I have- just never seen one that pretty..." he explains.

His response results in Nagi donning a fake pout, before laughing once more.

"You hear that, baby? Prettiest pussy Reo's ever seen... shit, I have to agree." he explains. He wastes no time forcing a second finger inside of you, pumping and scissoring them inside of you to stretch you out. "I'm gonna make you cum nice 'n hard, like a good big brother should. Because your nii-san has a big cock, y'know? It'll be easier to take after you cum."

"I- I-" you speak, a few tears rolling down your face as you try and find the words to say through the concotion of blinding pleasure with an agonising sting.

"Mm... you always look so pretty when you cry."

"Don't think we should be doin' this... Sei... i-it's wrong..." you sniffle, knuckles turning white as you grip onto the bedsheets beneath.

All he can do is tut as he watches you take his fingers like such a good girl. He curls them against your sweet spot, forcing you to throw your head back. He uses his free hand to swipe his fingers over your clit, and at the same time Reo has finally freed himself from his confines. His cock in his hand as he cant resist but to pleasure himself as you fight with the morality of being pleasured by your brother.

"This is exactly what little sisters are made for, sweetheart." Nagi assures you. "Made for nii-san's to fill up like good little girls. You're mine. 'N if you're a really good girl, you'll let nii-san and his friends touch you and fuck you whenever we want."

"Mmpf..." Reo moans, stroking himself up to a climax. Hearing the way Nagi speaks to you like you're nothing more than a plaything seems to be a sexual awakening for Reo.

As beautiful as you are, as gorgeous as your moans are, as pretty as your pussy is.

You're just Nagi's property.

"A-Am I a good girl? A good sister... f'you?" you ask him with pleading eyes.

He smirks, fingering you more as your tears continue to flow.

"Do you want to be? Wanna be our good girl?" he asks, his head tilting in Reo's direction to include him in the conversation. "Do you think what nii-san is doing is wrong? Or do you want to cum all over his fingers?"

"I think she wants to cum." Reo intervenes.

"I think so too. I think my sweet, baby sister wanted to sound like a good girl by saying this is wrong. But you're so close, aren't you? Naughty girl about to make a mess of her brothers fingers."

"N-No..." you sniffle. "Wanna be good... please." you sob, voice sticking in your throat as you can't bear to say anymore.

"The only good thing you can do right now is what we tell you. So, go on... cum all over nii-san's fingers."

And with that final, strict command, your hips are rolling against his fingers as you try to chase your high. You can't believe this is happening. The absolute astonishing pleasure you're becoming dizzy over due to your big brothers ministrations. All the while your crush is watching with so much lust in his eyes, you think he might cum along with you. His face is becoming sweatier, his fist turning to a blur as he works himself faster.

"I- I love you!" you call out, pearlescent cream coating Nagi's fingers as you continue to experience bliss. His fingers don't stop, and your words are just more encouragement to drag every last aftershock out of you.

You aren't even sure who you were talking to in that moment. To Reo? Your brother? Hell, it might have even just been the feeling of cumming. After it's all said and done, and Nagi still won't give you a moment of reprieve, you can't help but stare at Reo once again. You want to see him cum, you aren't sure why, you just feel that it might be close to art when he does.

"Stop it." Nagi commands as he looks over to Reo.

"C-Can't..." Reo explains, his fist still going as he stares at you. He's chasing the feeling you've just experienced, he wants to be in that blissful release with you. He can't stop... he can't... he-

Nagi grabs his wrist and moves his hand away.

"I invited you hear to enjoy my sister's pretty pussy. Have some respect for her. You can jerk yourself off any time, if you blow this opportunity, I won't be kind enough to let you have another."

Reo grunts practically choking out sobs as he's had his ecstacy robbed from him. He takes a few deep breaths, looking at you briefly before looking at Nagi again. He nods, agreeing with his words, the pair of them looking at you again.

"Alright, sweet girl. Nii-san's going to fuck you now."

©𝐃𝐀𝐃𝐒𝐏𝐄𝐑𝐌

#nagi seishiro x reader #reo mikage x reader #blue lock x reader #mikage reo x reader #seishiro nagi #reo mikage #nagi x reader #reo x reader #nagi seishiro #mikage reo #bllk x reader #reader insert #tw: inc*st #tw cucking #tw praise #tw power dynamics #tw edging

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