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My Stepbrother 18

My Stepbrother 18

Chapter 18 

KASMINE

I couldn’t believe it. My brother kissed me

It felt like a nightmare, the kind you can’t wake up from no matter how hard you try. My thoughts were a tangled mess, my chest heaving as I stumbled back, pressing my trembling hands to my lips. The taste of him lingeredmint and something darker, something I didn’t want to name

I can never be yours, Kester! You’re despicable!I spat, my voice cracking as I tried to push past the storm brewing in my head. My body betrayed me, weak knees wobbling beneath me as I bolted from the bed, needing distance, airanything to erase what had just happened

He leaned back lazily against the headboard, smirking as if my outburst amused him. The sharp edge of that smirk sent fire racing through my veins, anger, and humiliation warring for dominance

How could you?I choked, glaring at him through my tears. How could you even think-I tried to catch my breath, but my words dissolved into sobs I hated myself for. Stupid, stupid tears, falling when I needed strength. His silence only made it worse, his deep green eyes watching me like I was some kind of prey

How could you think this is okay?My voice was barely above a whisper now, strangled by the lump in my throat. I hated him for kissing me, but worseI hated myself for the way my body reacted. For the way my cheeks burned, the way my stomach tightened with an unfamiliar heat I couldn’t extinguish

He tilted his head, that damned smirk never leaving his face as if he knew the slight effect he just had on me

I had been kissed before, on a few occasions. But this? This wasThis was stupid! Unacceptable

I desperately tried to erase the memory of whatever effect this forbidden kiss had on me. Even though his lips tasted like nothing I’d ever had and felt soft and succulentEven though he kissed me like his life depended on it and it made heat pool at the bottom of my stomachIt still didn’t make it right

He was my brother. And Selene forbid it that I ever allow such nonsense to continue. I’d rather die

You’re overthinking, Mine,he said softly, his voice so low and suggestive that it made my skin prickle

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Don’t call me that!I snapped. “I am your sister, for fuck’s sake! You shouldn’t have my nude in your room! Kester!I sobbed. I felt betrayed

I expected shame, regretanything to crack the cold armor he wore so effortlessly. But instead, he laughed softly, shaking his head like I was a child throwing a tantrum

You’re not my sister, Kasmine,he said, his tone calm, detached, and cruelly certain. You’re mine. You just didn’t realize it until now.” 

I’d rather die than” 

Before I could finish, he was on his feet, moving so fast I didn’t even see him leave the bed. In an instant, he was standing before me, so close I could feel the heat of his body, his scent suffocating me

One more word,he growled, his fingers gripping my chin and tilting my head back, forcing me to meet his eyes, which had a faint glow in them, signifying his wolf. They burned with something feral, something that made my pulse stutter in terror

One more word, Kasmine, and I’ll strip you naked right here. I’ll pin you to my bed and fuck you so hard. And I won’t stop until the only thing coming out of your mouth is your desperate pleas for mercy.” 

His voice was low and rough, each word dragging a shiver down my spine. I froze, my breath catching in my throat. He meant it. Every terrifying, filthy word. I saw it in his eyes, and my body betrayed me again, trembling under the intensity of his gaze

I wanted to scream at him, to claw at his face and run as far away as possible. But all I could do was nod, my voice stolen, my body frozen in a storm of fear, and… 

The rest of my words died down instantly in my throat as I swallowed them like a stubborn lump

Now, be the good little girl you are and go back into your room before I change my mind,He whispered so close to my ears that the corner of my eyes stung with a certain kind of tearsThe kind that not only comes from embarrassment but from something moreSomething I would never admit his voice does to me whenever he sounded that way

I nodded frantically

Good,He released my chin, his fingers brushing my skin one last time before he stepped back and opened the door for me, Now, leave.” 

*** 

Tears burned hot trails down my cheeks as I picked up my phone with trembling hands

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dialing Claire’s number for what felt like the hundredth time. Still unreachable

The knot in my stomach tightened as I switched to our secret phone, trying Jake next. No signal. I couldn’t risk calling him on my actual phone. Kester would see ithe always saw everything

It was a Monday morning, and I was meant to be ready for work. But may I be damned if I ever face Kester after he kissed me

My lips still felt like they didn’t belong to me, tingling from something I didn’t ask fordidn’t want. His kiss wasn’t just wrong; it was disgusting. Forbidden

And worse? I couldn’t stop thinking about it

My mum promised to return my calls two nights ago when she was done making dinner1 guess she was still cooking up until today

Typical

My phone chimed suddenly, jolting me. My breath caught as I scrambled to check it

Kester

My heart gave a sickening lurch, and I hesitated, the screen glaring up at me like a taunt. It 

was a text

I didn’t want to open it, but my thumb moved before I could stop it

Would you rather I come to meet you at home and finish what we started? Or you’ll be the good little girl you are and come to the office?” 

I froze, his words sending a shiver down my spine. My fingers hovered over the screen, trembling as I typed back

I’m not coming.” 

I pressed send before I could secondguess myself, my pulse thundering in my ears. The seconds dragged painfully as I stared at the phone, waiting for his response

One minute

Two

Five

Fifteen

SeleneHe isn’t coming back home now, is he

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I panicked, fighting the temptation of texting him again to be sure he wasn’t coming back 

home

I shot up from the bed and bolted to the bathroom, the cold tiles shocking against my feet. I barely spent five minutes in the shower before rushing back out. I didn’t even care that I was dripping wet when I grabbed a towel, hastily wrapped it around me, and bolted back into the 

room

I peeped into my phone again but there was no response from him

An idea came to mind, and I instantly picked up my phone and called Riley, Kester’s secretary. Thankfully, she answered immediately

Kasmine. Why aren’t you here today?Riley asked before I even spoke

We had become close over the past few weeks. She was such a sweet soul. But, of course, Kester would never let me make friends easily, not even with the female folks

Riley, is Kester in his office?I asked, ignoring her question. I could swear she heard my heart thumping from the other end of the line

UhNo. HeShe was saying when I hung up before she could finish, my hands clammy against the phone

My heart raced faster. He wasn’t in the office

I moved on instinct, yanking open the closet and pulling out the first dress I could finda simple gown, wrinkled but good enough. I threw it onto the bed as I grabbed my hair dryer, fumbling with the cord. My hands wouldn’t stop shaking

I couldn’t let him meet me here. He would make good on his promise

Just as I plugged in the hair dryer, I heard the sound of my door open with a force that sent the dryer flying off my hands

I guess we have an unfinished business, Mine.” 

My Stepbrother

My Stepbrother

Score 9.9
Status: Ongoing Type: Native Language: English
My Stepbrother

Synopsis : My Stepbrother

Kasmine’s world shattered the night she witnessed her stepbrother, Kester Hamilton—the Alpha of the Crescent Moon Pack—murder an innocent man in cold blood. What began as a normal evening in the woods turned into a nightmare that would haunt her forever. The man Kester killed was no threat; he had only been talking to Kasmine. Yet Kester justified the murder by claiming the man tried to force himself on her.

Trembling and terrified, Kasmine confronted him, refusing to believe his twisted explanation. But Kester’s demeanor remained disturbingly calm. He didn’t show an ounce of remorse. Instead, he scolded her for being dramatic and tried to drag her back to the party, as if nothing had happened. When she resisted, he unleashed his Alpha command—a power no wolf could defy. Under his control, Kasmine’s will crumbled, and she obeyed him like a puppet.

As she returned to the party—ironically, Kester’s girlfriend’s birthday celebration—Kasmine’s heart broke. The brother who once protected her now scared her more than anyone else.

Her mind drifted back to her childhood, to the days when Kester had been her hero. After her father’s death, her mother remarried Alpha Kade Hamilton, Kester’s father. At the time, Kester was fourteen and Kasmine was only seven. He took her under his wing, treating her like a precious little sister. He brought her gifts, defended her from bullies, and made her feel safe. To everyone around them, Kester was the perfect big brother.

But as Kasmine grew older, that “protectiveness” became something else—something dark and possessive. By the time she turned sixteen, Kester had started isolating her from others. He didn’t allow her to have male friends, and even her time with female friends was limited. He wanted her attention, her trust, and her presence—all to himself. It became suffocating.

Now, at twenty years old, Kasmine had no boyfriend and barely any social life. Every time she tried to rebel, Kester reminded her that she should wait for her fated mate when she turned twenty-one and got her wolf. Her parents saw his control as love and protection, never suspecting how toxic and obsessive it had become.

After witnessing the murder, Kasmine was emotionally destroyed. She couldn’t eat, sleep, or think straight. The image of the lifeless man haunted her. Luckily, she only had to see Kester on weekends, since he was busy running both his pack and his billion-dollar company—Zamford Technologies. But even from a distance, his control continued. He had bugged her phone and laptop, monitoring every message and call. There was no escaping his watchful eyes.

Trying to focus on her studies, Kasmine pushed herself to attend her final year of college. She was preparing for her internship, and for once, she felt hopeful. She had submitted three company choices, deliberately avoiding Zamford Technologies to stay away from Kester. Her best friend, Jake—a guy she secretly liked—had applied to the same companies. She dreamed of being placed in the same one as him. Maybe then, away from Kester’s shadow, she could experience normal life, maybe even love.

That morning, she rushed to campus, still hopeful about the internship results. At the school entrance, she met her best friend, Claire, who looked visibly upset. Claire confessed she had been posted to J&F Technologies. Her disappointment wasn’t about the company—it was about Kester. Claire had nursed a crush on him for years and had listed Zamford Technologies in hopes of working near him. But her wish had failed, and she’d lost her chance.

Trying to comfort her, Kasmine asked about her own posting. Strangely, Claire didn’t answer, avoiding her eyes. Confused but impatient, Kasmine dragged her to the information board. Her heart raced as she scanned the list, looking first for Jake’s name. He was placed at Plush Technologies—one of the options they’d chosen together.

Excited, she searched for her name next, praying to see it under the same company. But her excitement quickly turned to dread. Her hands trembled. Her breath caught in her throat. There, beside her name, was written: Zamford Technologies.

The world seemed to tilt around her.

It couldn’t be real. There had to be some mistake. How could she, of all people, end up at her stepbrother’s company—the very place she’d tried hardest to avoid? Panic rose in her chest as the realization sank in. Kester must have done this. Somehow, he had found a way to manipulate her placement, ensuring that even in her professional life, she couldn’t escape his grasp.

Her mind flashed back to his piercing green eyes, his dominating voice, the way he’d ordered her around after committing murder without remorse. Now, he would have full control over her again—for hours every day. There would be no hiding, no breathing space.

As she stood frozen before the board, Kasmine felt her fragile hope for freedom crumble. She had spent years yearning for the day she could make her own choices—turn twenty-one, find her fated mate, and escape Kester’s suffocating hold. But now, destiny—or rather, Kester’s manipulation—had pulled her right back into his world.

And deep down, she feared that this time, she might not make it out alive.

Themes and Tone:
“The Alpha’s Obsession” explores the darkness behind overprotective love, the trauma of control disguised as care, and the pain of being trapped by someone who claims to love you. The tone is tense, emotional, and suspenseful, building a deep sense of dread as Kasmine realizes that every path she takes leads her back to the same monster she once called “brother.”

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