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My Sister's Mate Is Obsessed With Me
My Sister's Mate Is Obsessed With Me
Author: Cynthia Robert

CHAPTER 1

last update publish date: 2026-01-26 17:35:53

Seraphina's POV

"You're humming again."

Bessa nudged me with her elbow, her eyes flicking toward the kitchen door. She was the cook's daughter and the closest thing I had to a friend in this house, which wasn't saying much since she only talked to me when no one important was watching.

"Sorry." I hadn't noticed I was doing it. The kitchen was warm and quiet this time of day, and I'd let my guard down while stirring the pot of soup we'd been working on all morning.

Stupid mistake. Letting my guard down in this house was always a stupid mistake.

"You should go soon." Bessa kept her voice low as she chopped vegetables beside me. "I heard the Luna asking where you were earlier. Something about your sister's fitting."

My hands paused on the wooden spoon. "That's not until three. I have another hour at least."

"Sera." Her voice dropped even lower. "Just go. Please. I don't want to see you get hurt again."

The kitchen door slammed open before I could respond.

The Luna stood in the doorway with Octavia behind her, and the look on her face made my stomach drop straight to the floor. I was never allowed to call her mother, not since I turned thirteen and my wolf failed to show up like it was supposed to. 

She'd sat me down that day and told me I wasn't worthy of using that word anymore, that I was a stain on the Thornwood name, and until I proved otherwise, I would address her the way everyone else did.

Octavia still got to call her mom. Octavia got to do a lot of things I didn't.

That was eight years ago. Nothing had changed.

"So this is where you've been hiding." The Luna's voice could freeze fire. "Playing kitchen maid while your sister waits."

"The fitting isn't until three." I set the spoon down slowly, carefully. "I checked the schedule this morning and it said—"

"The schedule changed." Octavia's voice was sweet like honey laced with poison. "Didn't anyone tell you?" She pressed a hand to her chest, her eyes going wide with fake concern. "Oh no, I was supposed to send someone to let you know, wasn't it? It must have slipped my mind. I've just been so busy preparing for the Alpha's visit."

She was lying. She'd never planned to tell me. This was another one of her traps, the same game she'd been playing since we were children, and our parents always took her side because Octavia was the golden child and I was just the worthless disappointment who couldn't do anything right.

"I'll come right now." I wiped my hands on my apron and moved toward the door. "I'm sorry for the confusion, I just—"

"Stay where you are."

The Luna's words stopped me cold. She turned to Bessa, who had gone pale and frozen beside me. "You. Get out."

Bessa dropped her knife and ran from the kitchen without looking back, leaving me alone with them.

The door clicked shut behind her.

"Luna, I'm sorry." I kept my voice steady even though my heart was trying to beat out of my chest. "If someone had told me the time changed, I would have been there. I wasn't trying to—"

"I did tell you." Octavia's lower lip trembled like she was about to cry. "I sent one of the maids this morning, just like I promised. She said you waved her off and told her you were busy." She turned to our mother with wet eyes. "I don't understand why she's lying about it, Mom. I was just trying to help."

"No one came to tell me anything." The words left my mouth before I could stop them. "I've been in this kitchen since dawn and no one—"

"Are you calling your sister a liar?" The Luna's eyes turned to ice.

There was no right answer because Octavia had made sure there wouldn't be. If I said yes, I was disrespecting the precious heir. If I said no, I was admitting fault for something I didn't do.

This was how it always went. She would set me up to fail, then cry her pretty tears, and our parents would look at me like I was dirt beneath their shoes. In their eyes, Octavia could do no wrong and I could do no right, and my missing wolf was all the proof they needed that the Moon Goddess herself had marked me as unworthy.

"I'm sorry," I whispered, because sorry was the only word that ever kept me safe. "It won't happen again."

"You're right." The Luna walked toward the stove where our pot of soup had been simmering all morning. We always made it extra spicy because my father liked it that way, loaded with enough pepper to make your eyes water just from the steam. "It won't."

I saw what she was reaching for and my whole body went rigid.

"Luna, please—"

She grabbed the pot with a cloth and turned toward me. Octavia was already moving, her fingers digging into my arms from behind as she yanked me in place with a strength that reminded me exactly what I was missing.

"We've been too soft with you." The Luna's face showed nothing as she lifted the pot over my head. "That ends today."

She poured the soup down my back.

The scream that ripped out of me didn't sound like my own voice. The soup was boiling hot, burning through my dress and scalding my skin, but the pepper was worse. It turned the burn into a thousand tiny knives that kept digging and twisting even after the liquid stopped flowing.

My legs buckled and I crashed to my knees on the stone floor, gasping and choking on the pain as it spread across my shoulders and down my spine.

"Get up." The Luna set the empty pot aside like she'd just finished watering plants. "You have two minutes to get to the dressing room."

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  • My Sister's Mate Is Obsessed With Me   CHAPTER 45

    Seraphina's POV"Please what?" He sucked my clit between his lips and pulled, and my vision went white at the edges."Please don't stop, please let me come, please I need—"He pushed three fingers inside me and curled them hard while his mouth worked my clit, and I came so fast it caught me off guard. My whole body locked and my wrists strained against the silk and the orgasm crashed through me in sharp contractions that had my thighs clamping around his head and my hips grinding against his face.He pulled his mouth away and climbed up my body while I was still shaking, and before the aftershocks finished he pushed inside me in one stroke and the intrusion on top of the orgasm made me scream again, louder than before, my voice breaking on his name while he drove deep into my still-clenching pussy."I love you." He said it with his cock inside me and his hands braced on either side of my bound wrists and his eyes locked on mine. "I love you, Sera."He'd never said it before. Not in th

  • My Sister's Mate Is Obsessed With Me   CHAPTER 44

    Seraphina's POV He pushed into me in one long stroke and I watched my own face break apart in the mirror. My mouth dropped open and my eyes went half-shut and my fingers clawed at the vanity while he filled me inch by inch, my walls stretching around him, the drag of his cock against my g-spot pulling a moan out of me that echoed off the high ceilings.He could hear me. For the first time, he could actually hear me without a hand over my mouth, and the sound I made when he bottomed out stopped him dead."Say that again." He gripped my hips and pulled back slow. "That sound. I've never heard you that loud."He thrust back in hard and the moan that ripped out of me was raw and unrestrained and so loud the windows rattled. I could hear myself and I could see myself and the combination of sound and sight was overwhelming because there was no hiding, no muffling, no pretending this was anything other than what it was."Louder." He started fucking me with long hard strokes, watching my fac

  • My Sister's Mate Is Obsessed With Me   CHAPTER 43

    Seraphina's POV The words sent a flush of heat down my spine that pooled between my legs. He wasn't talking about tenderness. He was talking about replacing her, rewriting the room with my body, and the possessiveness in his voice turned my knees soft.He walked me backward toward the vanity. Not the bed. The vanity, with its gilded mirror and Octavia's perfume bottles lined up across the surface and her silver hairbrush lying on the polished wood.My hips hit the edge of the vanity and the perfume bottles rattled. He turned me around.I was facing the glass. My own reflection stared back at me in the firelight, flushed and wide-eyed with my lips parted and my chest rising fast, and behind me Dax's face appeared over my shoulder, his eyes locked on mine."Look at yourself." His hands gathered my hair and swept it to one side, baring my neck. His mouth found the spot below my ear and his teeth grazed the skin there while his eyes stayed on mine in the mirror. "I want you to watch."Hi

  • My Sister's Mate Is Obsessed With Me   CHAPTER 42

    Seraphina's POVOctavia left the next evening, and she made sure the entire pack watched her go.We'd met in the chamber the night before, the usual way, candle and passage and his hands on me in the dark. But he'd been distracted, his kisses landing between whispered plans about the following night, about Octavia's departure, about the Alpha's chambers.He'd pulled me against his chest after and told me exactly how to find the room, tracing the route on my bare back with his fingertip like he was drawing a map on my skin. Right at the branch, forty steps, spiral staircase up, iron door.I'd memorized the directions the way I memorized everything about him, with my whole body.Now I stood in the courtyard watching his wife leave and counting the minutes until I could replace her.The carriage was pulled up to the front entrance of the pack house instead of the side gate, which meant every servant, every guard, and every wolf in the courtyard had a clear view of the Luna's departure.S

  • My Sister's Mate Is Obsessed With Me   CHAPTER 41

    Seraphina's POV "Come." I pressed my thumb under the head and stroked fast. "Come on me. I want to feel it."He came with a groan he buried in my neck, his cock pulsing in my hands while hot spurts of his release landed on my inner thighs and my stomach and the ruined papers beneath me. His hips jerked forward with each pulse and I kept stroking him through it, milking every drop while he shook against me.We stayed like that with his face pressed into my neck and his softening cock in my hands, both of us breathing too hard for the middle of the afternoon in a room where anyone could knock."Clean up." He pulled back and grabbed a cloth from the side table, the one meant for wiping ink spills. "You can't walk out of here smelling like me."I took the cloth and wiped his release from my thighs and stomach while he tucked himself back into his pants. The cloth came away damp and dark and I folded it over twice and shoved it to the bottom of the waste bin where no one would think to lo

  • My Sister's Mate Is Obsessed With Me   CHAPTER 40

    Seraphina's POV I grabbed the front of his shirt and pulled him between my legs. "Don't you dare stop."He didn't kiss me again. Instead he pushed my thighs apart with both hands and looked down at where my dress had ridden up, at the thin fabric of my underthings darkened with wetness, and the sound he made was low and guttural and not quiet enough for a room with thin walls."You're soaked through." His thumb traced up the inside of my thigh, slow and deliberate, stopping just short of where I needed him. "I can see it through the fabric. You've been walking around the pack house like this all day?""Since breakfast." My hips tilted toward his hand and I couldn't stop them. "Since your wrist. Since you stopped talking and the whole table watched and I had to pretend I didn't know why."He hooked one finger under the edge of my underthings and pulled them to the side, and the cool air of the study hit my exposed pussy and made me gasp. He looked at me spread open on his desk with my

  • My Sister's Mate Is Obsessed With Me   CHAPTER 16

    Seraphina's POVHis mouth found mine and I was lost.I kissed him back before I could stop myself, my hands fisting in his shirt and pulling him closer while his body pressed me back against the desk. His tongue slid against mine and I moaned into his mouth and every promise I'd made to myself shat

    last updateLast Updated : 2026-03-21
  • My Sister's Mate Is Obsessed With Me   CHAPTER 8

    Seraphina's POVAlpha Vaelorin.My sister’s husband was holding me in his arms, and I couldn’t move or breathe or do anything except stare at his face inches from mine while those sparks kept racing across my skin everywhere his arms pressed against me.His eyes were locked on mine, wide and confus

    last updateLast Updated : 2026-03-17
  • My Sister's Mate Is Obsessed With Me   CHAPTER 18

    Seraphina's POVSleep didn't come that night, and I lay in bed staring at the ceiling while Ezra's soft snores filled the silence. My body was still humming with the ghost of Dax's touch. Every time I closed my eyes I felt his tongue on my clit and his fingers inside me and heard his voice telling

    last updateLast Updated : 2026-03-22
  • My Sister's Mate Is Obsessed With Me   CHAPTER 17

    Seraphina's POVHe pulled his fingers out and I whined at the loss, my pussy clenching around nothing, my clit throbbing painfully."Not yet." His voice was rough. "I want to feel you come on my tongue.""Please." I was already begging. "Please, I need it. I need to come. Please don't stop."He bur

    last updateLast Updated : 2026-03-22
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