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Under His Billionaire Roof

Under His Billionaire Roof

Romance
last updateLast Updated : 2026-03-16
By:  Eleanor VanceCompleted
Language: English
goodnovel18goodnovel
9.7
19 ratings. 19 reviews
112Chapters
28.6Kviews
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Synopsis

Steamy

Badboy

Protective

CEO

Age Gap

Forbidden Love

First Love

One childhood crush. One unbreakable rule. One mansion where every hallway feels like a trap. For fifteen years, Leighton Hayes has loved Noah Knight from afar, the untouchable older brother of her best friend Chloe. Now twenty-three, broke, and freshly homeless, Leighton has nowhere to go but the sprawling estate of the man who once barely noticed her. Noah remembers her all too well. The billionaire who built an empire from nothing has spent the last six months trying to become a better man, and the shy girl in oversized hoodies who just moved into his guest wing is the most dangerous temptation he’s ever faced. Chloe’s single rule was always clear: her friends are off-limits. Especially to Noah, the reformed Playboy who used to burn through supermodels and headlines. But late nights, shared secrets, and one stolen shirt ignite a fire neither of them can extinguish. What begins as whispered confessions and almost-kisses explodes into a secret affair neither wants to end, even as the lies stack higher. When Chloe discovers the truth, the betrayal threatens to destroy the only family each of them has ever known. Leighton must decide if love is worth losing her best friend. Noah must prove he’s finally ready to risk everything for the one woman he swore he’d never touch. Some rules are made to be broken. Some hearts refuse to stay forbidden.

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reviewsMore

Rachel Green
Rachel Green
Worth Reading
2026-06-14 17:32:37
0
0
Diah Arini
Diah Arini
Good so far
2026-05-30 21:16:42
0
0
Naomi Biko
Naomi Biko
I'm loving this like mad, I'm obsessed with Noah and Leighton's chemistry
2026-02-19 04:07:59
7
0
allthatglitterzz
allthatglitterzz
I love the tension between Noah and Leigh. Makes me hold my breath anytime they're close. lols I'm far gone!
2026-02-18 23:41:10
2
0
Kathy Pearl
Kathy Pearl
The best Badboy Good girl romance you'll ever read ......
2026-02-18 21:33:49
1
0
112 Chapters
Chapter 1: Rock Bottom
The email came at 9:47 AM.*Subject: Termination of Employment - Effective Immediately*Leighton Hayes stared at her phone screen, reading the words three times before they actually sank in. Fired. They were letting her go. Budget cuts, the email said. Last hired, first fired. She'd only been at the startup for eight months.Her hands shook as she shoved her few personal items into her bag. A coffee mug Chloe had given her. The succulent plant was already half dead. Her backup phone charger. The other designers wouldn't even look at her as security walked her out.Twenty-three years old and unemployed. Great.She sat in her car in the parking lot for ten minutes, just breathing. Trying not to cry. Failing.Her phone buzzed. A text from her landlord.*The rent is 5 days late. Please make the payment by 5 PM today, or I will have to start the eviction process.*Leighton let out a laugh that sounded more like a sob. Of course. Of course, this was happening on the same day.She checked he
last updateLast Updated : 2025-11-27
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Chapter 2: The Ice King
Leighton spent the next morning hiding in her room like a coward.She updated her resume. Applied to twelve jobs. Scrolled through apartment listings she couldn't afford. Anything to avoid going downstairs and risking another encounter with Noah.Her phone rang just after noon. Chloe."Hey, want to grab lunch? I'm off early today.""Sure. Where should I meet you?""I'm literally downstairs. Come down."Right. Because Chloe lived here too. Leighton had almost forgotten in her panic to avoid Noah.She changed out of her pajamas into jeans and a sweater, then made her way downstairs. This time in daylight, the house was even more impressive. And intimidating. Huge windows let in natural light that made everything gleam. The art on the walls probably cost more than she'd make in a year.She found Chloe in the kitchen, rifling through the fridge."Finally! I'm starving. Want to go to that Thai place you love?""I can't really afford to eat out right now.""My treat. Don't argue." Chloe gra
last updateLast Updated : 2025-11-27
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Chapter 3: Midnight Collision
Day three, and Leighton still couldn't sleep. She'd applied to twenty-seven jobs. Had one phone screen scheduled for tomorrow. Spent most of her time in her room, venturing out only when she was certain Noah was locked in his office or gone entirely. The avoidance strategy was working. She'd barely seen him since the kitchen incident last night. But now it was 1 AM, and her stomach was staging a revolt. The protein bar she'd eaten for dinner wasn't cutting it. She pulled on her sleep shorts and a thin camisole, too tired to bother with the hoodie. The house was always warm anyway. Noah probably had some fancy heating system that cost more per month than her old rent. This time, she knew the way to the kitchen. Small victories. The house was dark and quiet. She padded down the stairs, her bare feet silent on the cool marble. She was getting used to the space now. Starting to memorize which hallways led where, which doors opened to what rooms. The kitchen light was on. Sh
last updateLast Updated : 2025-11-27
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Chapter 4: Morning After
Leighton's alarm went off at seven. She'd slept maybe three hours, total.Her phone interview was at nine. She needed coffee. Needed to pull herself together and sound competent and employable instead of like someone who'd spent half the night obsessing over her best friend's brother.She showered and changed into actual clothes. A blouse and jeans, since they couldn't see her bottom half on the video call anyway. Light makeup to hide the dark circles under her eyes. Her hair was pulled back in a neat ponytail.Professional. Put together. Definitely not thinking about Noah's eyes or his voice or the way he'd said *grew up*.She grabbed her laptop and crept downstairs. According to Chloe, Noah worked out every morning at six, then locked himself in his office until noon. Which meant the coast should be clear.The kitchen was empty. She made coffee, her hands still shaky from lack of sleep. The spot where the glass had shattered was spotless. Like it had never happened.She took her cof
last updateLast Updated : 2025-11-27
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Chapter 5: House Rules
Leighton spent the afternoon in her room, applying to more jobs and trying not to replay Noah's text message over and over in her head.*They're idiots.*Two words shouldn't matter this much.Around five, her stomach reminded her she'd only eaten toast all day. She ventured downstairs, hoping to grab something quick and escape back to her room before anyone noticed.The kitchen was occupied.Noah stood at the island, going through a stack of papers. He'd showered since this morning. His hair was still damp, pushed back from his face. He wore a black t-shirt and jeans, barefoot again. She was starting to think he never wore shoes in the house.He looked up when she entered. "Hey.""Hi." She moved toward the fridge, trying to act casual. Like this morning hadn't happened. Like she hadn't been caught watching him work out like some kind of stalker."We need to talk."She froze, her hand on the fridge door. "About what?""Ground rules.""Oh." She turned to face him. "Okay."He set down th
last updateLast Updated : 2025-11-27
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Chapter 6: The Shirt Incident
Leighton woke up to her phone buzzing. A text from Chloe.*Emergency at work. Can't do dinner tonight. Rain check? I'm so sorry!*Disappointment settled in her chest, followed quickly by relief she didn't want to examine too closely.*No worries. We'll do it another time.*She set her phone down and stared at the ceiling. Another day in this house. Another day of avoiding Noah while simultaneously wanting to find him. This was getting ridiculous.She needed to do laundry. She'd been rewearing the same few outfits all week, and everything was starting to smell like desperation and bad decisions.The laundry room took twenty minutes to find. Of course it did. This house was designed to make her look stupid.She threw everything in. All her clothes, her sheets, towels. Might as well do it all at once. She added detergent and started the machine, then headed back upstairs in the tank top and shorts she'd slept in.An hour later, she went back down to move things to the dryer.The machine
last updateLast Updated : 2025-12-05
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Chapter 7: Job Hunting Blues
Leighton got another interview request two days later. A marketing firm downtown. Better pay than her last job. Actual benefits. Room for growth.She needed this.The interview was scheduled for two in the afternoon. She set up in the morning room again, her laptop charged, her notes organized. Professional blazer over a nice top. Hair and makeup perfect. She looked competent. Put together. Like someone you'd want to hire.She joined the call at 2:30. Three people appeared on screen. The creative director, the HR manager, and someone whose title she missed because her internet connection stuttered."Can you hear us?" the creative director asked."Yes. Sorry. Connection issue.""No problem. Let's get started."The first ten minutes went fine. Standard questions about her experience, her design process. She gave good answers. Smiled. Made eye contact with the camera.Then they asked to see her portfolio."Of course." She shared her screen, pulling up her website. "I've worked on bran
last updateLast Updated : 2025-12-05
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Chapter 8: The Offer
Leighton woke up to an email notification at eight in the morning. She grabbed her phone, squinting at the screen. Her heart jumped when she saw the sender: Knight Security Solutions. Noah's company. Her stomach dropped.She opened it.Dear Ms. Hayes,We're currently seeking a Senior Brand Designer for our marketing department. Your portfolio was recommended to us, and we'd like to schedule an interview at your earliest convenience. The position offers a competitive salary, full benefits, and opportunities for creative leadership.Best regards,Jennifer MartinezDirector of Human ResourcesLeighton read it three times. Then she threw off her covers and marched downstairs.She found Noah in his office, door open, on a phone call. He glanced up when she appeared in the doorway, his expression neutral.She held up her phone. Waited.He finished his call and pulled off the headset. "Morning.""Don't.""Don't what?""Don't play dumb. You know exactly what I'm talking about." She
last updateLast Updated : 2025-12-06
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Chapter 9: Pool at Night
Leighton could not stop staring at her laptop. She had been preparing for tomorrow's interview for hours. She read everything she could find about Knight Security Solutions until her eyes burned. She memorized product names, company values, and all the things she was supposed to say to sound impressive. She practiced answers to common questions until the words blurred together. But no matter how hard she tried, all she could think about was Noah's thumb on her lip from the night before in the kitchen. The memory played on repeat. The way his skin had felt against hers. The intensity in his eyes. At eleven thirty, she closed the laptop and pressed her palms against her eyes. She needed to clear her head. She needed to stop replaying that moment over and over. The pool. She could go to the pool. Noah had mentioned it on her first day. He said she was welcome to use it anytime. He had been locked in his office for hours. He probably was still working. He worked late ever
last updateLast Updated : 2025-12-10
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Chapter 10: The Proximity
The interview went well.Better than well, actually. Jennifer Martinez was sharp and direct, asking questions that made Leighton think. The creative team had loved her portfolio. They'd even asked her to do a mock project on the spot, redesigning their website header.She'd nailed it.Jennifer had smiled and said they'd be in touch soon. Very soon.Leighton floated through the rest of the day on a high she hadn't felt in weeks.By evening, dark clouds rolled in. The weather forecast had called for storms, but she hadn't paid attention. Now thunder rumbled in the distance, getting closer.She was in the kitchen making dinner when the first crack of lightning split the sky. The lights flickered.Then everything went dark."Perfect," she muttered.She pulled out her phone and turned on the flashlight. The glow barely cut through the darkness. She made her way toward the living room, using the phone light to avoid running into furniture."Leighton?"Noah's voice came from somewhere to her
last updateLast Updated : 2025-12-11
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