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23 Spicy Kindle Unlimited Romance Books (2024)

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Are you a kindle unlimited subscriber or are you planning on subscribing soon?

To help you make the most out of your subscription, I’ve found some of the spiciest kindle unlimited romance books for you to add to your reading list!

As a kindle unlimited subscriber myself, I know how it feels to have so many choices. It can get overwhelming when trying to find your next romance read from the thousands of titles available.

And if you’re not on Kindle Unlimited yet, you’re missing out on so many spicy romance reads!

Note: I recommend you make use of the 30-day FREE trial to check out these titles. You can always unsubscribe once you’ve read these books for free.

1. Things We Never Got Over by Lucy Score

Things We Hide From The Light follows the story of Naomi Witt as she is forced to flee from her alter as her twin sister stirs up trouble once more, ruining her wedding day. Her car is gone, and she is broke and homeless now.

Naomi discovers that her twin has left behind her daughter, a niece Naomi didn’t know she had. Naomi begins her search for her twin while travelling through Knockemout, Virginia, with her niece.

In the town of Knockemout, Naomi meets a grumpy barber, Knox, who protects his peace fiercely. However, Knox decides to help Naomi after seeing what a disastrous situation she is in.

Why You’ll Love: Things We Never Got Over

2. The Never King by Nikki St. Crowe

The Never King is one of the many spicy romance fantasy books on kindle unlimited. 

Winnie Darling, unlike most people, is dreading turning 18 soon. For generations the women in her family have gone missing on their 18th birthday, only to be returned a few days later. 

Although the women eventually come back, their sanity doesn’t. Winnie’s mother warns her about Peter Pan who steals these women away but Winnie doesn’t believe her until he comes for her.

Why You’ll Love: The Never King

  • Spice level: 5/5 
  • Fae Romance
  • Reverse Harem Trope
  • Peter Pan and The Lost Boys Retelling

3. The Song of the Marked by S.M. Gaither

The two things that matter to mercenary Casia Greythorne are; finishing her current job and earning enough coins to pay for the costly medication her mentor needs to stay alive.

Casia is great at what she does and the king knows that. He offers her a job with a massive reward that can solve most of Casia’s problems. The only downside is that her partner is the arrogant Captain Elander.

Their mission is simple enough: discover the cure for the plague that is destroying their kingdom. With old magic stirring and old monsters awakening, Casia and Elander must hurry before time runs out.

Why You’ll Love: The Song of the Marked

4. That Kind of Guy by Stephanie Archer 

That Kind of Guy is one of the best spicy books on Kindle Unlimited that i’ve ever read.

Avery Adams dreams of owning The Arbutus, the restaurant she works at. When the perfect opportunity strikes to purchase the restaurant, she is unable to get the bank to approve her loan.

Emmett Rhodes is running for mayor, but the town isn’t convinced that this bachelor is a family man.

So, the two of them make a deal! Emmett will sign her loan only if Avery is willing to pretend to be his fake-fiance. It’s a win-win situation, until they actually start falling for each other!

Why You’ll Love: That Kind of Guy

  • Spice Level: 4/5  
  • Romance Tropes: Fake Dating Trope, Forced Proximity Trope
  • Small Town Romance Series (Beach Town): each book follow the love story of 4 brothers.

5. Bad Boys Break Hearts by Micalea Smeltzer 

Bad Boys Break Hearts follows Rory Abbott who is finally out of her toxic household and ready for Aldridge University.

Coincidently, Rory’s childhood friend Mascen Wade studies at Aldridge too. When they were eight years old, Rory’s family moved away without a word, leaving Mascen in confusion.

Rory knows her life is about to become a living hell again. Mascen has his reasons for being mad at her. He is determined to mess with Rory whenever he gets the chance. 

Why You’ll Love: Bad Boys Break Heart

6. Gild by Raven Kennedy 

If you are a fan of Sarah J. Maas’s novels, then The Plated Prisoner series is for you. Gild is a retelling of the King Midas legend.

Anything King Midas touches turns to gold, including Auren.

Auren was rescued by Midas from the slums only to be taken as his prisoner later and placed on a gold pedestal. Now it has been ten years since, she lives in her cage of gold, thinking King Midas is her protector. 

The threats of war looming over the kingdom force Auren to question her trust and love for King Midas.

Auren is tired of obeying Midas and his strange requests. The monsters outside of the castle aren’t any better than the ones inside so she must choose wisely whether to flee or stay. 

Readers think Gild is one of the best kindle unlimited fantasy romance books as it does a great job of combining fantasy and romance.

Why You’ll Love: Gild

  • Spice Level: ⅖   
  • Romance Tropes: Fae Romance
  • Retelling of King Midas legend.

7. Parallel by Elizabeth and Elle O’Roark

Quinn is ready to marry her childhood love when her strange dreams intensify. The same man appears so often in Quinn’s dreams that she knows everything about him.

Nick Reilly, a neurologist, has been having strange dreams of a woman. He has a girlfriend but because of his dreams, he feels guilty and needs to figure out why these dreams keep happening.

Quinn’s mother suggests she visit a neurologist. Just when her doctor, Nick, walks in, they are shocked. They already know each other from their dreams.

To discover the truth Quinn and Nick would have to work together but they might not be ready to face the reality. 

Why You’ll Love: Parallel

  • Spice Level: ⅖   
  • Sci-fi romance novel with time travel

8. Reminders of Him by Colleen Hoover

After completing five years in jail, Kenna Rowan, a single mother, is allowed to return to her hometown. The community, which had been marred by tragedy, is hostile to Kenna and keeps her apart from her daughter Diem, who is four years old.

Kenna runs into Ledger Ward, a local bar owner who has strange connections to Kenna’s past. Ledger is eager to help Kenna win back the custody of her daughter so she can have a second chance at becoming a good mother.

Spending time together causes Kenna and Ledger to grow closer, and Kenna can no longer ignore her emotions for him, but pursuing them would entail betraying the confidence of their friends. 

Why You’ll Love: Reminders of Him

9. A Long Time Coming by Meghan Quinn

In A Not So Meet Cute, sweet and funny Breaker Cane is the youngest of the Cane brothers. When Lia, his best friend of ten years, asks him to be the man of honour at her wedding, Breaker agrees.

Now it’s Breaker’s responsibility to make sure the wedding goes smoothly. While Lia’s mother-in-law is a monster and the wedding plans aren’t going well, Breaker realises how much he cares about Lia and might be in love.

Breaker is scared to confess his feelings but he is certain he cannot let the wedding take place any more.

Why You’ll Love: A Long Time Coming

10. Twisted Love by Ana Huang

Ava Chen, a photography student, can get along with everyone, considering her sunshine personality, except for one person and that’s her brother’s best friend, Alex.

Alex Volkov, rich and arrogant, is not happy when Josh Chen, his best friend of eight years, asks him to look after his sister while he is away for work fellowship. 

This dark romance book has an intriguing mystery plot line regarding Ava’s forgotten memories of her childhood and Alex’s dark secrets that he keeps hidden away from Ava.

Why You’ll Love: Twisted Love

11. Tis the Season for Revenge by Morgan Elizabeth

When looking for the best steamy romance novels Kindle Unlimited offers, Tis the Season for Revenge, a Christmas romance novel is not one to miss out on.

Abbie Keller is ditched by Richard Bartholemew Benson the Third whom she once thought would marry her instead, he left her crying outside her apartment.

Now as Richard wants to focus on his career, Abbie is more focused on getting revenge. 

Luck is on Abbie’s side because she soon starts dating Damien Martinez, a founding member of the law firm where Richard works. Abbie must convince Damien to take her as his date to the annual Christmas party which Richard would be attending too.

But Abbie soon realises that Damien, the tough New York Lawyer might have a soft side that she likes and plans of revenge start to bore her.

Why You’ll Love: Tis the Season for Revenge

  • Spice Level: 4/5
  • Romance Tropes: Grumpy-Sunshine, Age-Gap Romance
  • Christmas Rom-Com Novel

12. Archer’s Voice by Mia Sheridan 

archer's voice

Bree Prescott escapes to the small town of Pelion, Maine in hopes of ridding herself of the horrible memories that haunt her.

On her first day, she runs into Archer Hale, who leaves her very intrigued after their strange interaction.

Her curiosity about Archer’s past forces her to stick around and she soon finds out he is mute. As they communicate through sign language, they slowly start to bond.

Why You’ll Love: Archer’s Voice

  • Spice Level: 5/5
  • Disability Representation
  • Small Town Romance

13. Twisted Lies by Ana Huang

One of the top free romance books for kindle happens to be the last book in Ana Huang’s Twisted Series, Twisted Lies. It is one of the spiciest books you’ll come across on Kindle Unlimited.

Christian Harper, the owner of a security company, has his eyes set on Stella Alonso, a social media influencer. 

When fate brings Stella and her friend to his luxury building in search of an apartment, he lowers the rent for her so he can keep her close.

Despite living in her high-security apartment, Stella thinks she is being followed. She doesn’t want her friends to worry so she decides to ask Christian for help.

Why You’ll Love: Twisted Lies

  • Spice Level: 5/5
  • Romance Tropes: Slow Burn, Forced Proximity
  • Romance Book Series: Each book follows one of the four best-friends love story

14. Behind The Net by Stephanie Archer

behind the net

If you’re looking for spicy kindle unlimited books with the sports romance trope, this book is for you!

After getting dumped by her boyfriend over the phone and losing her job, Pippa Hartley not only has a broken heart but also an empty bank account. She is desperately in need of a job. 

The catch? She was going to be an assistant to her high-school crush, Jamie Streicher, who has only gotten hotter than he was all those years ago.

Why You’ll Love: Behind the Net

15. The Wrong Bride by Catharina Maura

In this free kindle romance book, Raven’s life takes a 180° turn when her sister doesn’t show up to her own wedding. Now she has to step in her place and marry her sister’s fiance. 

Ares Windsor, a billionaire media mogul, is devastated when his bride doesn’t show up but with a high-profile wedding like his, the show must go on. His reputation is on the line, and even if it means marrying his fiance’s sister to save it, he is ready.

Raven always had feelings for Ares but couldn’t confess them, now she is determined to make their relationship work.

Why You’ll Love: The Wrong Bride

16. How the Grump Saved Christmas by Claire Kingsley

Isabelle Cook’s Christmas tree farm and village are in huge trouble, and the worst part is the man who wants to buy is it non-other than Elias Stoneheart, her ex-boyfriend.

No one can convince workaholic Elias once he has made up his mind. His grumpy nature keeps people away and in line but Isabelle will do anything to protect her farm from him.

Elias’s boss has promised him a promotion he desperately wants if he can get the Cook family to let go of their farm.

Considering how badly Elias broke Isabelle’s heart in high school she won’t make things easy for him and plans to teach him the real meaning of the Christmas spirit that he hates.

Why You’ll Love: How The Grump Saved Christmas

  • Spice Level: 1/5
  • Romance Tropes: Second-Chance Romance, Holiday Romance
  • Books like Hallmark Movies
  • Small Town Romance

17. The Fine Print by Lauren Asher

best kindle unlimited romance books

Rowan’s latest project is renovating Dreamland, a theme park has been in Rowan’s family for a long time and his grandfather’s last wish is for Rowan to revive the park and win his inheritance.

Zahra works at the kid’s saloon in Dreamland. Her dream has been to work on the creative team and improve Dreamland and her wish comes true when she gets drunk and sends an email to Rowan about the idea.

Surprisingly Rowan needs a hand and hires Zahra quickly. Now they need to plan a new attraction for the park but with their stubbornness, things get challenging and a fire is ignited between them. 

Why You’ll Love: The Fine Print

  • Spice Level: ⅘ 
  • Romance Tropes: Office Romance, Forced Proximity
  • Billionaire Romance Series: Each book follows a different brother

18. The RSVP by Lauren Blakely

Smart and intelligent, Harlow has always been a good girl even when she’s been crushing on Bridger, a man a decade older than her. Unfortunately, that man is also her father’s business partner and is completely off-limits.

Bridger has been focused on building the multimillion-dollar business and doesn’t even glance at Harlow’s way. Then everything changes on the night of the gala when Harlow notices Bridger staring at her with darkened eyes.  

At that point, Harlow decides that she is done being the good girl and she will try to seduce Bridger. However, if things end badly it could bring all sorts of troubles to Harlow’s dad and his business. 

Why You’ll Love: The RSVP

19. Frost by C.N Crawford

On her birthday, Ava ends up drunk and heartbroken at the bar because she caught her human boyfriend cheating.

Ava is a faerie living a human life among humans, so when the Seelie King walks in at the bar she is shocked. In her drunk state, Ava curses at him which earns her his attention.

Surprisingly, Torin, the Seelie King is not offended, instead, he offers Ava 50 fifty million if she participates in the competition for Seelie Queen.

She accepts his once-in-a-lifetime offer but when the games finally begin, Ava starts to doubt her decision because her life is on the line and her heart might be too. 

Why You’ll Love: Frost

  • Spice Level: ⅕ 
  • Romance Tropes: Slow Burn, Fae Romance
  • For Sarah J Maas Fans

20. What Lies Beyond the Veil by Harper L. Woods and Adelaide Forrest

In this spicy free kindle book, we explore a the separation of the dangerous Fae of Alfheimr from the human world as the Veil has been destroyed.

Estrella lives near the Veil with her brother and mother, who is wheelchair-bound. When the magic of faeries marks Estrella, she is instantly on the run. Being marked means the faeries would be after her life soon if the Mist Guard doesn’t get to her first.

While on the run, she meets Caelum who saves her, he also turns out to be a dangerous Fae who is willing to offer her protection along the way. Trusting Caelum seems like her only option so Estrella forms a lethal alliance with him. 

Why You’ll Love: What Lies Beyond The Veil

21. ​​Brutal Prince by Sophie Lark

This mafia series is one of the best steamy romance novels Kindle Unlimited has to offer.

Chicago’s two rival mafia families are constantly down each other’s throats for power. The Irish Griffins and the Italian Gallos can’t seem to form a trustworthy alliance until one day, Aida Gallo, the youngest Gallo, sneaks into the Griffin mansion.

Aida accidentally sets fire to the Griffin’s library which doesn’t go unnoticed. In order to avoid war her father comes up with a plan. Her father decides to marry Aida off to Callum Griffin, the eldest son and heir to the Griffin throne while hoping this alliance would work.

Cool and collected, Callum is sure he can calm down his devil of a bride. Unfortunately, this is a match made in hell as Aida and Callum fight for dominance.

Why You’ll Love: Brutal Prince

22. Terms and Conditions by Lauren Asher

One of the most popular books on booktok on Kindle Unlimited, Terms and Conditions follows Declan Kane, all set to take over his family’s media empire.

However, a clause in his grandfather’s will states that Declan must get married and produce an heir before his takeover.

Iris, Declan’s assistant, thinks it’s easy. She just needs to abide by the contract’s terms. Have a child, act love-stricken in public, and portray the ideal wife.

Before Declan and Iris realise it, they are falling for each other but with all the pretending and fake dating, Iris isn’t sure what’s real anymore. The last thing she wants is her heart broken. If you’re looking for a steamy kindle unlimited romance novel, this one is for you.

Why You’ll Love: Terms and Conditions

  • Spice Level: ⅘
  • Romance Tropes: Fake Dating, Billionaire Romance, Marriage of Convenience
  • Romance Book Series: Each book follows a different Kane brother
  • Can be read as a stand alone

23. Deal with a Demon by Ami Wright

In this short spicy kindle unlimited romance book, we follow Kalli – an aspiring fashion designer who cannot afford to pay rent.

She’s desperate for a job. So when she sees an email in her inbox to apply to “Monstrous Deals” she gives it little thought and applies.

Soon, she finds out that she’ll have to go on a steamy date with a demon called Rin in exchange for a hefty payment.

Why You’ll Love: Deal with a Demon

  • Spice Level: 5/5
  • Romance Tropes: Billionaire Romance, Dark Romance
  • Cozy Monster Romance

Wrap Up: Smutty Kindle Unlimited Romance Books

These were the best romance books on kindle unlimited you can read for free with the 30-day trial!

This list covered many romance novels with their spice levels mentioned so you can pick the book you are most comfortable with.

Spiciest book on Kindle Unlimited or not, you’re bound to find some hidden gems in this list as well as most-talked about romance novels.

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