All Chapters of Sinful Obsession: My Billionaire Stepbrother : Chapter 1 - Chapter 10

113 Chapters

The News

~Isabel~ "Fifteen minutes, Isabel," I muttered to myself. That was my daily countdown. Breaking the end of my shift into minutes was the only way I could survive the final stretch. I walked through the packed café, balancing a tray of hot coffees on my left hand. My fingers turned red under the mugs as I dodged the elbows of customers crowding the walkway. Everyone in line by the counter was waving sleek credit cards for overpriced pastries, dressed in clothes that cost more than my savings. Then my phone buzzed in my apron pocket. I knew I should ignore it on the floor, but my eyes darted down anyway. It was a reflex. I looked away for one second, and that was my mistake. My tray tilted. I snapped my wrist back, trying to save the mugs, but a wave of dark coffee spilled over the rim. The liquid landed on a blonde girl’s white dress. “Oh no, no! You ruined my dress!” she screamed. She glared at me from the display case, and we both watched the dark stain spread a

Chapter 2: The smooth Trap

~Isabel~ Aunt Joey walked into the room, wearing her stained work smock from the salon downstairs. She looked wiped out after a long day. Her shoulders slumped with weariness that matched mine, and she leaned against the painted doorframe with a sigh that told me she suspected what my mother had done. "She called you, didn't she?" Joey asked. "She got married, Joey," I said, my voice barely above a whisper. "To Arthur Sterling. The billionaire." Joey whistled, the sound echoed in the quiet bedroom. "Well. Sarah always had a thing for the fancy life. What does she want this time?" "She wants me to move to London," I said, gesturing toward my phone on the nightstand. "There is an internship waiting for me at his firm. She claims it will pay for my university tuition and cover my living expenses. She told me Arthur plans to invest in your salon if I agree to go." I looked up at her, my eyes stinging with tears. "She is using you and my remaining tuition balance t

Chapter 3: The Mansion home and a Warning

~Isabel~ When she used the formal title 'the Master', I knew right away this would not be an easy stay. I sat at the edge of the large bed and opened my laptop to check my student email before heading downstairs. A bright red notification popped up on the screen from the university office. WARNING: Tuition balance of £3,000 is due in exactly seven days. Failure to pay will result in immediate cancellation of your admission. Seeing the deadline made my heart sink. I closed the laptop, quickly washed my face, and walked downstairs to face my new reality. The dining room glowed under a giant crystal chandelier. Arthur Sterling sat at the head of the long table, laughing loudly at something my mother just said. He looked exactly like his photos…silver strands at his temples, a suit, and the kind of confidence that only comes from owning billions. My mother looked like a different person. She had ditched her struggling-mom vibe, draping herself in a fancy red dress with a gli

Chapter 4: First Day of Bullying

~Isabel~ "Mr. Sterling is my father," William replied, leaning forward. Then, whispered so the whole room could hear, "You can call me William. After all... we are family now… right?" He let the threat hang there for a second. Then his eyes flicked down to my dress one last time, and his lip curled in disgust. "And Isabel? Do me a favor. Don’t wear floral clothes in my office, or in this house. It looks cheap, and I won't tolerate it." Heat crawled up my neck. I shoved my chair back, the wood screeching loud against the floor. "I don’t wear cheap, William," I retorted, my voice shaking but loud. "I wear what I earned." I didn’t wait for them to say anything. I turned and walked out, feeling his eyes burn into my back the entire way. I didn't stop walking fast until I reached my room and the door clicked shut. Leaning my back against the cool wood, I finally let go of the breath that had been stuck in my lungs forever. My hands were trembling. Minutes later I started

"Just an Intern..."

~Isabel~ The next morning, the executive floor of Sterling Global was already bustling with activity. I arrived twenty minutes early. My thrifted blazer was pressed, my heels polished to a high shine. But the moment the elevator doors opened, Sophia was already waiting for me with an ugly smirk on her face. "Grab a notepad, Mayfield," she said, not even looking up from her screen. "The Board of Directors is holding an emergency briefing in the main conference room in exactly one hour. You are in charge of setting up the entire space." I paused at her desk, keeping my voice level. "The main conference room? Isn't that usually handled by the administrative staff?" "An intern does whatever is thrown at them. You're here to learn, and I am your supervisor," Sophia hissed, finally leaning forward to look at me. "There are seven billionaire board members arriving in forty-five minutes. You are going to manually prep, clean, and arrange the entire conference room. Every single chair

Proving worth...

~Isabel~ Fifty-nine minutes. That was all the time I had before my life either became a success or crashed and burned in front of a dozen live television cameras. I hurried away from William’s office, my mind spinning. He hadn't even given me the details of the crisis. Was the company in trouble? Was William? It felt like walking directly into a trap with a blindfold on. Needing a moment to breathe, I ducked into a breakroom to grab a glass of water. "You look like you're about to faint," a voice said from the corner. "Or maybe you just saw something you shouldn't have. Either way, you should probably sit down." I jumped, nearly spilling the water down my blazer. Sitting at the corner table was a guy leaning over a tablet. He had a mass of dark curls that fell perfectly over his forehead, sharp jawline that contrasted with his relaxed posture, he was wearing a vest cardigan over his tailored white shirt, his glasses gave him a look that was effortlessly cool…like a bri

Ninety days...

~Isabel~ The question from the front row hung in the air. I leaned into the microphone, forcing my voice to remain steady. "We didn't hide them," I countered. "The blueprints people are looking at are only half the file, not the completed version. This isn't a corporate takeover; it’s a self-sustaining ecosystem. We’re using the underground parking as a hidden engine. The revenue from those spaces doesn't go into a CEO’s pocket. It goes back into the soil to pay for the maintenance, the lighting, and the security. If the park dies, the revenue fails. We need it to thrive as much as the neighborhood does." A few reporters stopped mid-scribble. My explanation made sense. Great! Then, a woman with a bob and a notebook stood up near the center aisle, looking unimpressed. "That’s a nice story, Miss Mayfield. But talk is just talk. The blueprints for the garage look ready to go, but the park designs aren't. People are saying the Sterling family is just going to build the garag

Stranded in the Rain

The ride back to the Sterling manor was supposed to feel like a victory lap. I had survived the cameras, handled the reporters, and saved the project. But inside the Bentley, it felt like I was being transported to a high-security prison. William sat in the driver’s seat, his face looking like it had been carved out of stone, He hadn't looked at me once, just stared at the road, with knuckles turning white as he held the steering wheel. "You realise," he finally said, his voice low. "that what you did today wasn't saving anything. It was a disaster." "The stock price went up, William!" I snapped back though my heart still racing from the adrenaline. "The reporters were actually smiling. People like the project now! How is that a disaster?" "Because you promised them the impossible, Isabel!" He finally looked at me, his eyes flashed like fire. "A three-month deadline to start construction? We don't have the permits. We don't have the builders. We don't even have the final safe

Being Annoyingly Petty

The oak doors clicked shut behind me, muffled by the thrum of the rain against the stone walls of the manor. I was a total disaster. Water pooled around my ruined heels, and Jax’s oversized flannel shirt was sodden, clinging to my shivering frame. Every step I took across the pristine marble foyer sounded like a wet sponge hitting a countertop. Squish. Squish. I was halfway to the grand staircase when a sharp voice cut through the shadows. "Stop right there! Are you trying to ruin the hard work we did cleaning the floors?" I froze. It was Clara, one of the younger maids who always looked perfectly pressed in her uniform and perpetually annoyed. She marched toward me, pointing a finger at the trail of muddy water I’d left behind. "Do you have any idea how long it takes to wax this marble?" she hissed, her face twisted in a scowl. "You come in here looking like something the cat dragged in from the gutter. Take those shoes off and get to the back entrance. You’re ma

The Mean Maid

Sunlight poked through the curtains the next morning, but it felt like needles pressing into my eyes. My head was thumping too fast and every time I tried to swallow, it felt like I was gulping down broken glass. I tried to sit up, but my world spurned. I was shivering, even though my skin felt like it was on fire. The clock on the bedside table read 9:00 AM. "Oh no," I croaked, my voice sounded rusty in my ears. " The University..." Today was my first day of classes. My dream of starting fresh at a top-tier London school was supposed to begin today, but my body had other plans. The cold rain and the long walk in the dark had finally caught up with me. A soft knock at the door made me jump, and then it swung open. My mom and Arthur walked in, still dressed in their elegant clothes from the night before, looking like they had just stepped off a private jet. "Isabel? Honey, you aren't even dressed yet," Mom said, her brow furrowing with worry as she walked toward the

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