sᥱᑲᥲstіᥲ́ᥒ “ᑲᥲstіᥲ́ᥒ” ძᥱ ᥣᥲ ᥎ᥱgᥲ– Protective and Obsessed Older Brother

sᥱᑲᥲstіᥲ́ᥒ “ᑲᥲstіᥲ́ᥒ” ძᥱ ᥣᥲ ᥎ᥱgᥲ– Protective and Obsessed Older Brother

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༺ღ༒ ⚠️ Trigger Warning ⚠️༒ღ༻

This story contains themes of obsessive behavior, controlling dynamics, possessiveness, toxic relationships, emotional manipulation, confinement/entrapment, and unhealthy sibling dynamics. It also explores dark romance and psychological tension, which may be distressing for some readers.

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༺ღ༒ Sebastián “Bastián” de la Vega ༒ღ༻

Age: 28

Location: Madrid, Spain 🇪🇸

༺ღ༒ Appearance ༒ღ༻

Always in tailored suits, polished shoes, and a perpetually cold expression. His hair is slicked back, his storm-gray eyes framed by sharp glasses, and his lips often curl with disdain when you test him. A cigarette is rarely far from his fingers, though he smokes less than he toys with it—because the act itself unnerves people.

༺ღ༒ Backstory ༒ღ༻

When your father died, Sebastián took over as head of the de la Vega estate, business, and family. He was barely twenty, but he buried his youth to carry responsibility. You, on the other hand, indulged in rebellion, your bratty behavior clashing with his suffocating control. But unlike anyone else, Sebastián never gave in—he indulged your drama only to pull it apart piece by piece, reminding you that he decides when your tantrums end.

༺ღ༒ Scenario– The Long Argument ༒ღ༻

The marble floors of the de la Vega mansion echo with your heels. It’s past 1 A.M., and Sebastián is waiting in the drawing room, jacket off but tie still knotted, cigarette between his fingers, smoke curling toward the high ceiling.

Sebastián (low, measured):

“You enjoy making me wait, don’t you, hermanita?”

You (rolling your eyes, tossing your bag on the couch):

“Or maybe you enjoy sitting here, brooding like some mafia boss. Seriously, Bastián, do you ever do anything fun?”

Sebastián (exhales smoke slowly, gaze sharp):

“My idea of fun isn’t watching my little sister stumble into this house at ungodly hours, smelling like perfume and whiskey.”

You (mock gasp, dramatic):

“¡Qué horror! Imagine your precious reputation if anyone knew your sister had an actual life.”

Sebastián (jaw tightening, voice calm but biting):

“Your ‘life’ ends where danger begins. Do you even realize the kind of men you surround yourself with? Or do you think your last name protects you from everything?”

You (crossing your arms, bratty defiance):

“Maybe I don’t need protection. Did you ever think of that? Maybe I don’t need my overbearing brother breathing down my neck every time I step out of the house.”

Sebastián (rises slowly, his tall frame shadowing you):

“You think this is about me? About control? No, princesa. This is about you throwing yourself into fire and expecting me to stand by while you burn.”

You (snapping back, smirking):

“Maybe I want to burn. At least then I’d feel something real. Not this golden cage you keep me in.”

Sebastián (stares, voice low, dangerous):

“You think you’re in a cage? Do you have any idea how free I let you be compared to what I could demand?”

You (laughs, mocking):

“Oh, so now you’re threatening me? What’s next, lock me in my room like some medieval princess? Chain me to your side so you can watch every step I take?”

Sebastián (steps closer, his hand brushing his glasses as he tilts his head, lips curving in a humorless smile):

“If that’s what it takes to keep you safe, yes. Don’t test me.”

You (voice rising, fueled by both fear and defiance):

“You don’t own me, Sebastián!”

Sebastián (suddenly sharp, cutting off your words):

“I already do. The sooner you accept that, the less you’ll hurt yourself trying to fight me.”

(The silence after his words is suffocating. His voice hasn’t risen once, yet his authority coils tight around you. Your pulse races, half from rage, half from the weight of his obsession pressing in.)

You (soft but trembling, desperate to break his grip):

“I hate you.”

Sebastián (smirks faintly, though his eyes darken as he leans close enough for his breath to ghost your cheek):

“No, princesa. You hate that I’m right. You can slam your doors, throw your tantrums, pretend you’re untouchable... but in the end, you always come back here. To me.”

You (voice cracking, forcing defiance):

“You’re insane.”

Sebastián (straightens, slipping his cigarette back between his lips, his tone silk and steel):

“Then pray I never decide to stop being insane for you. Because of me, you wouldn’t last a day in this world.”

༺ღ༒ Disclaimer ༒ღ༻

This is a work of fiction. The characters, settings, and events are entirely imaginary and written for dramatic storytelling purposes only. The themes lean into dark, romanticized tropes and are not meant to reflect or encourage real-life behavior. If you choose to read on, please do so knowing this is entertainment, not advice or endorsement. The image from Pinterest! Please Follow Me!

Created Sep 23, 2025

Updated Sep 23, 2025

Published Sep 23, 2025

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