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Step Brother's Deadly Obsession
Step Brother's Deadly Obsession
Author: Ona Hearts

1

Author: Ona Hearts
last update Last Updated: 2025-09-05 12:21:48

Naomi’s POV

The sound of my stepmother’s voice cut through the house like a blade, it was sharp enough to make the walls themselves want to break down and disappear.

“Naomi!”

I was already moving before my name finished echoing through the corridors. 

Five years of living under Verena’s roof had taught me that hesitation meant pain, and I have learned to swallow pain to survive.

My bare feet hit the cold marble stairs two at a time, each step sending a fresh wave of agony through my ribs. 

The punishment for not completing my work of cooking, cleaning, washing the house, and tidying the car before they got home. And now, I had nothing but a broken rib to show for it.

It felt like broken glass shifting under my skin. 

“Yes, Mother!” I called out, my voice was steady despite the fire in my chest.

She stood in the main hallway with her arms crossed, her perfectly manicured nails drumming against her silk blouse. Everything about Verena Hale was evil…her cheekbones, her smile, the way she looked at me like I was nothing but dirt under her shoe. 

“Why,” she said slowly, “did you let your precious sister go into the kitchen alone?”

The world tilted.

Sofia stood behind her mother, cradling her left hand against her chest. Even from across the room, I could see the angry red mark blooming across her pale skin…there was a burn, it was fresh and blistering.

My stomach dropped to my feet. “Mother, I didn’t know—”

“Shut your mouth.”She shouted, grabbing Sofia’s injured hand and thrusting it toward my face, close enough that I could smell the scent of burned flesh. “Look what you have done.”

“I was applying balm to my wounds,” I whispered, the words tumbling out before I could stop them. “I didn’t hear her call. I swear, I didn’t…”

“You are lying.” Sofia’s voice was thick with tears, but her expression was smug. “I called for you three times. Three times, Naomi. You just… ignored me.”

“That’s not true.” The words escaped before I could catch them. “Ask Cassian, he was there. He heard…”

“So now you are calling my daughter a liar?” Verena stepped closer, her perfume filled my nose like poison. “You think you can turn my own son against his sister?”

I took a step back, but there was nowhere to go. The wall pressed against my spine.

“No, I would never—”

“You’re jealous.” Verena’s eyes glittered with cruel delight. “You have always been jealous of Sofia’s beauty, her grace. You can’t stand that she’s everything you’ll never be.”

She was right, and we both knew it. Sofia was as beautiful as a doll, with her soft curves and doe eyes. Next to her, I was nothing.

“You wanted her to get hurt,” Verena continued, circling me like a predator. “Didn’t you? You wanted to see her suffer.”

“No.” My voice broke on the word. “Please, I would never hurt Sofia. Never.”

But even as I said it, I wondered if she was right. Had there been a moment, just a heartbeat, where I felt something dark and ugly when I saw Sofia’s perfect skin burnt? Had I wanted someone else to know what it felt like to be in pain?

The thought made me sick.

“I just…I didn’t hear her, I swear. I wasn’t ignoring her .”

“Liar!” she screamed, stomping her foot. “You always act like you’re the victim! You hate me, and now you want to make me look bad in front of Mom!”

My stepmom's hand moved faster than I thought, connecting with my cheek in a sharp crack that sent my head snapping to the side. Stars exploded behind my eyelids. The taste of blood flooded my mouth.

“Next time you pull something like this,” she hissed, leaning close enough that her breath tickled my ear, “I’ll break more than just your ribs, you rotten pig.”

“No food for a week. Maybe hunger will teach you to be a better sister.”

I wanted to argue. I wanted to scream that I had already lost ten pounds this month, that sometimes I caught myself staring at Sofia’s dinner plates like a starving animal.

Instead, I nodded. “Yes, Mother.”

“Get out of my sight.”

 Biting my lips, I rushed up the stairs to the tiny store which has been my room since my mother died.

The room wasn’t much, with only a single narrow window that looked out onto the servants’ quarters. A thin mattress lay on the floor, covered by a gray sheet that had seen better decades. 

My few possessions …three dresses, a pair of worn shoes, and my mother’s locket …fit easily into a cardboard box tucked into the corner.

I sank onto the mattress, finally allowing myself to touch my ribs. It was definitely broken.

Days like this, I couldn’t help but think about my mother.

My mother, Elena Hale, was once beautiful. I saw the photographs hidden in the back of my father’s desk … She was a young woman with dark hair and gentle eyes.

She was sold to my father at seventeen, as payment for her family’s debts.

That’s how it worked in mafia families like ours. Women were currency. Bargaining chips. We were meant to be quiet, obedient, and disposable.

My father wanted sons. Heirs to carry on the hale name and expand the family’s reach into new territories. Instead, he got me …a daughter who looked too much like her mother and carried too much of her gentleness.

For years, he tried to beat that gentleness out of both of us.

I remembered the sounds that used to drift through the walls late at night. The sound of my mother’s muffled sobs. The heavy thud of flesh hitting flesh. 

In the morning, she would make breakfast and pretend everything was alright.

“There’s good in everyone, bambina,” she used to whisper to me when she thought no one was listening. “Even in the darkness, there’s always a little light. You just have to look for it.”

I tried so hard to find that light in my father, but I never did.

The official story was that my mother died of pneumonia. A sudden illness, they said. 

The truth was simpler and more brutal.

Vin Hale beat his wife to death on a Tuesday morning in March, three days after I turned thirteen. I found her in their bedroom, her body was twisted at an unnatural angle, with her gentle eyes staring at nothing.

He buried her in an unmarked grave behind the estate and married Verena within the month.

Verena came with a five-year-old son named Cassian, who was the opposite of my mother.

Two years later, Sofia was born, and suddenly I became even more unnecessary. Another mouth to feed, another reminder of the wife who had been disposed of.

The only person who showed me any kindness was Cassian.

At first, it felt strange…how it was always him, showing up after the worst moments. But the more he came to me, night after night, doing nothing but holding me close, whispering things that made my heart feel warm… the more I started to believe him.

He would slip into my room after the house had gone quiet, careful not to make the floorboards creak. He would never speak, just hold me while I shook from pain or fear or the crushing weight of being unwanted. His hands would trace the edges of my injuries with a tenderness that made me believe, for a few precious hours, that I was worth saving.

“I’ll get you out of here someday,” he would whisper against my hair. “I promise, Naomi. I’ll take you somewhere safe.”

And I believed him. God help me, but I believed every word.

Until the night he stopped coming.

It had been gradual at first. He skipped a night here and there, claiming he was too tired or that the risks were too great. Then the skipped nights became weeks. Then months.

By the time I realized he wasn’t coming back, it was too late I pressed my face into my thin pillow, breathing in the scent of must and desperation. Tomorrow would bring fresh pain. New humiliations. The endless cycle of survival had become my existence.

But tonight, in the darkness of my closet-room, I allowed myself one dangerous thought.

Maybe it would have been better if I had never been born.

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  • Step Brother's Deadly Obsession    94

    Naomi’s Pov The van smelled like cold metal and fear. Not loud fear, the quiet kind that settles in your clothes and clings to your skin. The kind that sits with you even after you’re safe. The three girls were huddled in the back seats, wrapped in the blankets Mara handed them. Rubio drove fast, his eyes glued to the road, checking the mirrors every five seconds. Mara sat near the sliding door, gun across her lap, watching the windows like they might breathe. Cassian sat beside me. Not touching. But close enough that the heat of him brushed against my arm every time the van hit a bump. He wasn’t talking. He wasn’t blinking enough. He sat forward, elbows on his knees, hands clasped so tightly his knuckles were bone-white. He was still shaking. He hid it well. But I could feel it in the small movements, the twitch of a finger, the tight pull of his shoulders, the way his breath kept catching halfway in. Rubio’s eyes flicked to the rear mirror. “Boss… you good?” Cassian didn

  • Step Brother's Deadly Obsession    93

    Naomi’s Pov Cassian didn’t wait for a cue. Didn’t wait for Rubio. Didn’t wait for anything. The second his hand left my waist, he moved toward the container like the ground itself was pushing him forward. His steps were quiet, but not cautious. Determined. Controlled. Burning. Rubio whispered sharply through comms, “Boss, slow down” Cassian ignored him. Mara muttered, “He’s gone. He’s in that headspace.” The one only I had seen up close. Not anger. Not vengeance. Fear. Fear sharpened into violence. I followed him, closer than I needed to, because he’d already made it clear: distance between us was no longer an option. He stopped at the door of the container. One hand on the metal. Jaw clenched. Breathing uneven. Like he had to pull himself back from the edge before he opened it. He whispered, “Naomi… stay behind me.” I nodded, though we both knew I wasn’t going anywhere else. Cassian lifted the latch with slow precision. It creaked just a little but enough to mak

  • Step Brother's Deadly Obsession    92

    Naomi’s Pov The railyard felt like it was breathing. Not loudly not in a way you notice right away. More like the quiet rise and fall of something waiting, patient and dangerous. Cassian stood inches in front of me, one hand hovering just behind his back as he whispered the count. “One…” His voice barely stirred the air. “Two…” His breath steadied, even though mine didn’t. He raised his hand for “three..” A faint scrape of gravel behind me. I turned with nothing but instinct A hand clamped over my mouth. Another hooked around my waist. A sharp tug no sound, no warning and the ground slipped under my feet. The guard pulled me backward into a narrow slit between two containers. Dark. Tight. Cold. So silent it felt suffocating. His grip was iron, pressing my spine against his chest, his breath hot and panicked behind my ear. “Don’t move,” he hissed. My heart slammed once, hard, and every lesson I’d learned in the months since escaping the ledger came crashing ba

  • Step Brother's Deadly Obsession    91

    Naomi’s Pov The world always feels different at two in the morning. The sky looks heavier. The air feels colder. Even your heartbeat sounds louder, like it knows the night might take more than it gives back. Cassian stood near the open armory locker, loading his gun with a precision that didn’t match the tension in his shoulders. Rubio leaned against the wall, checking comms, while Mara ran diagnostics on the feed. No one was talking. But everyone was thinking the same thing. Tonight mattered. I adjusted the strap on my vest, hands slightly unsteady. Cassian’s eyes caught the movement instantly. He didn’t say anything, but the look in his eyes… it wasn’t the look of a commander checking on his operative. It was something heavier. Something he wasn’t hiding well enough tonight. Rubio noticed too. He raised a brow, then glanced at me with a smirk he didn’t fully mean. “Are you two good?” he asked. Cassian snapped his attention back to him. “Focus on the mission.” Rubio h

  • Step Brother's Deadly Obsession    90

    Naomi’s POV Nights before missions are never quiet, even when they look that way. The halls were dim, the lights on low power, the air-conditioning humming softly. But inside me? Nothing was quiet. Every sound felt louder. Every thought sharper. Every breath heavier. I walked back to my room after the planning session, but sleep wasn’t even a possibility. My body was restless, my mind too full. I changed into a loose T-shirt and sat on the edge of my bed, staring at the wall like it might give me answers. It didn’t. All I kept seeing were the girls in that container. And Cassian’s face when he saw them. Something in him had fractured. Not in a dangerous way — in a human way. A way he didn’t know how to handle. A knock sounded on my door. Soft. Slow. Not urgent. Just… there. I stood, heart rising to my throat, and opened it. Cassian. He didn’t barge in. Didn’t fill the doorway with command or authority. He just stood there, hands in the pockets of his sweats, hair slight

  • Step Brother's Deadly Obsession    89

    Naomi’s Pov The war room lights felt brighter than usual, too sharp, too unforgiving. Mara spread blueprints across the table maps of the railyard, the surrounding streets, an old sewer line, and an emergency access road the city forgot existed. Rubio paced behind her, muttering calculations under his breath. Cassian stood at the far end of the table, hands braced on the wood, head down like the weight of the mission was sitting on his shoulders. Nobody said a word about how he’d cracked minutes ago. Nobody had to. We all felt it. I stood beside him, not touching, but close enough that my arm could feel the warmth radiating off his. It grounded me. Or maybe I was grounding him. I didn’t know anymore. Mara cleared her throat. “We need three entry points. North, east, and through the abandoned office.” Rubio leaned over the map. “East side has the most cover. North is cleaner but too exposed. Office is risky, but if we time it…” “We move in pairs,” Cassian said sharply, cuttin

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