My Stepbrother 231

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Mated To My Obsessive Stepbrother. 

Chapter 231 

KASMINE. 

I knew we were both angry, volatile, simmering with tension that had been building for far too long–but it was different with 

Kester. 

I felt it when we were both caught in the ont last night, letting off all the steam that had been brewing between us for days 

now. 

I absentmindedly stirred the hot cup of coffee that had gone lukewarm, my mind drifting to what happened last night. My thighs still ached faintly from how rough it had been. 

Yes. I know. Call me selfish. Call me a monster. Because let my big brother fuck me while his fiancé was sleeping alone in his room, wrapped in her pretty little lies and future wedding plans. 

But I needed that. I craved it. I didn’t care about right or wrong. June had the rest of her life to play happy bride with him. I only had two days left before everything changed, before I’d be stripped from his life and forced to play someone else’s puppet. 

So, yeah. I let him have me. And I took every second of it like a dying woman clinging to her last breath. 

Kester had fucked me like he had something to prove and so much to say but decided to let his cock do the talking… Like every thrust, every hold of his hands on my hips, every moan he made, every touch, was him trying to say all the things he refused to voice. He didn’t speak much–but his body screamed for him. Rage. Guilt. Desperation. Possession. 

He was… unhinged.” 

It was like watching someone unravel in real time. His eyes were too wild, too dark, too full. He was everywhere–inside me, around me, over me. He held me like he was trying to brand me into memory, almost like he knew this would be the last time and wanted to carve himself into my skin. 

He was… Emotional? 

No. 

Emotional was far too soft a word. What I saw in Kester last night was something else entirely. Something raw and feral. . 

He touched me like he hated himself for it. He kissed me like he wanted to tear me apart. He came undone inside me like he was falling through the very edge of sanity, and I went right down with him. 

And for one terrifying moment, as his teeth grazed my collarbone and he gripped my wrist like he didn’t trust himself to let go, I was almost afraid of him. 

1 shouldn’t be thinking about it. 

But it kept playing in my head like a broken loop, refusing to fade no matter how many sips of coffee I took. 

His eyes. His eyes…. 

When Kester pinned me to the mattress, trembling like he was caught between a sob and a scream–I saw something I’d never seen 

in him before. 

Last night, he unraveled. 

And I watched it happen. 

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Chapter 231 

The way his voice broke when he moaned into my mouth. The ways hands trembled while his fingers tightened around my hips until I whimpered and scratched his back just to get him to loosens grip… That wasn’t lust. That wasn’t even love. 

That was a man unraveling. 

He wasn’t in control. 

Not of his thoughts, his breath, or even of the way his thrusts grew faster and harder–like he was trying to fuck something out of himself. 

He didn’t even try to be quiet. He didn’t care if June or anyone else heard him moaning my name like it was the last thing keeping him sane – Good thing the rooms were soundproof. Otherwise, the whole house would have been in on our secret already. 

And for a second, I wondered if I should’ve stopped it and If I should’ve pulled away when I saw the glassiness in his eyes, the barely–holding–it–together panic buried beneath every single kiss he dragged from me. 

But I couldn’t. 

Because when his forehead dropped against mine and he looked at me, I saw that he was just a broken boy pretending to be whole. A man who had learned how to wear calmness like a designer suit–until it didn’t fit anymore. 

He looked at me like I was the last tether keeping him from falling headfirst into something he might not come back from. And then–God–he broke. Mid–thrust, mid–moan, mid–all of it. He just… broke. 

He looked scared. Shaky. Completely undone. 

“I can’t lose you, Mine… I can’t–I’ll lose my fucking mind.” 

I didn’t respond at first. I just cupped his face, thumbing the sweat and a teardrop from his cheeks. 

His lips brushed mine again, “You’re not leaving. Promise me. Promise you’re not fucking leaving me.” 

It wasn’t a demand. 

It was a cry for help. 

And I–I didn’t know what else to do. “Kester…” I whispered, not even sure what part of him I was talking to. The man. The boy. The shattered soul who kept pretending he was okay. 

“Promise me,” he growled, shaking his head like he couldn’t hear anything but the blood rushing through his ears. His voice cracked at the edges, too rough and too broken. “Please, Mine… You’ve never said you love me. I don’t care. Don’t even say it. But please, don’t fucking leave. You don’t leave family, Kasmine. You don’t leave me.” 

He kissed me like he hated the air between us. Like it hurt to breathe without my skin on his. 

I had to promise him something to keep him from falling off that invisible cliff I could see in his eyes. And if that meant lying, then so be it. 

I’d seen him angry. I’d seen him cold. 

But I’d never seen 

scared before. 

I wrapped my legs tighter around his waist, dug my nails into his back, and lied. 

I told him yes. 

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Chapter 231 

“Yes,” I whispered. “I’ll never leave. I’ll be yours. I promise. Always. 

And the second I said it, his body shuddered, but it wasn’t just from the orgasm that came seconds later. It was from something else entirely. Like hearing those words pulled him back from whatever edge he’d been standing on. 

He buried his face into my neck and held me like if he let go, the world would swallow him whole. 

And right now, sitting down here and forcing this stale coffee cooling in my hand down my throat, I realized something I hadn’t let myself admit last night: 

He was getting worse and unstable in a way that couldn’t be masked anymore. 

He hadn’t gotten better. He’d just buried the rot. 

And now it was starting to seep through the cracks he’d been hiding over the years. 

I wasn’t afraid of what he might do to me. 

I was afraid of what he’d become when I was finally gone. 

Because Kester wasn’t just unhinged. 

He was shattering. 

And I didn’t know how many more pieces were left to break. 

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