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Unmasking Obsession

Aster Osbourne
I planned to attend a fun yearly Halloween party with my boyfriend and best friend.
I wore the costume that he asked me to wear.
And when I ran into my boyfriend in the bathroom, he fucked me into oblivion.
Only, it wasn’t him.
It was my stalker.
A man from my past determined to make me pay.

Killian Carter
I spent years tracking Aster Osbourne down.
Then, I found her. I stalked her.
Attending college and pretending she wasn’t a murderer.
I followed her closely, intent on killing her once and for all.
Except, when we’re face-to-masked-face, I fuck her instead.
She’s unlike anything I’ve ever felt.
I’d kill for her, but only after I’ve gotten revenge.

Trigger Warning
This book is a DARK romance suitable for readers 18+. This book may contain content that is triggering to some individuals, such knife play, murder, gore, violence, breath play, blood play, force, stalking, and more.
You've been warned.

96 pages, Kindle Edition

Published October 23, 2023

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About the author

Ashley Reyes

9 books156 followers
Ashley Reyes is a dark romance author living just outside of Nashville, TN, with her family and one too many chihuahuas. She works in a library while studying Creative Writing at Southern New Hampshire University. Known for her Halloween novellas, she has six published works. She knew she wanted to be a writer in the first grade—after turning in a fake book idea for a report and getting called out by the teacher, but praised for her creativity.

In her free time, she enjoys photographing concerts, losing at video games, reading stories that pull her away from reality, and writing the kind of men you’d run from in real life but swoon over in books.

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5 stars
336 (23%)
4 stars
441 (30%)
3 stars
435 (29%)
2 stars
192 (13%)
1 star
52 (3%)
Displaying 1 - 30 of 216 reviews
Profile Image for Jess After Dark.
39 reviews2,667 followers
October 21, 2025
It’s 92 pages…you have enough time to read this 🤷🏻‍♀️
Profile Image for ♥Milica♥.
2,203 reviews857 followers
October 29, 2023
The prologue reminded me of a book from the Rosewood High series, Savage. If you know me then you know I really hate that series, but luckily the rest of the book wasn't like that. It was darker and more disturbing, but it sadly didn't work for me.

My main problem was the writing style, which was really annoying at the start, but eventually got better as the book went on. Then there's the plot, where the book itself wasn't really sure what it wanted to be.

Because it starts off as a smutty novella, but then begins throwing in serial killer elements which didn't really match up with the character as we've seen her up until that point. It kind of came out of the blue, as if the author was like hmm what else can I add to make this darker? OH I KNOW!!

Like you are expecting me to believe that the character who kills off men who hurt girls stayed with a guy who hit her and was expecting him to change??? And she even killed the first guy who was abusing her when she was younger. But she's staying with this one because...?

If it was meant to show that anyone could be stuck in an abusive relationship then it wasn't really done that well, maybe it would've been more believable without the serial killer thing.

Then we have the dialogue which was cringy in a lot of parts, I was sitting there going "and I'm supposed to find this hot?" NOPE.

If you're looking for smut though you'll find plenty of that here, and I do mean plenty. From the second these two end up in the bathroom together it's 90% smut, 10% plot.

Also this one did a lot more knife play and blood play than some other Halloween novellas I've read so be prepared for that.

1.5
Profile Image for 。.•*¨*•♬✧maeve ✧♬•*¨*•.。.
108 reviews95 followers
October 12, 2025
⭐️3.5/5 this was a well-written, halloween themed, dark romance novella! i’m not huge on the taboo step-sibling trope, but it worked! i do think that this definitely could have been developed into a better and more amusing story…..but it was still a pretty good, quick read!!!

🕸️๋࣭ ⭑

there are MULTIPLE versions of this book!!!!! this one is 119 pages and considered to be the darkest.

🕸️๋࣭ ⭑

🌶️5/5 definitely review the trigger warnings- this is NOT for everyone!

🕸️๋࣭ ⭑

horror dark romance novella
taboo (non-biological step siblings….but not for too long)
gore/death/etc.
marking
bloodplay
primal play
stalker romance
domestic/sexual abuse (relationship/family, not by mmc)
cnc
morally gray fmc and mmc
masked man
sexually explicit content (18+ read!!!)
etc.

🕸️๋࣭ ⭑

i would recommend this to anyone who needs a quick, dark, and taboo halloween read!!!! message me if you want to chat🖤
Profile Image for RachelReadsandSings.
1,392 reviews452 followers
October 29, 2023
There’s a lot going on in this novella and it was all really well done IMO! A great dark romance novella to read during this time of year.

✅hero are heroine are stepsiblings
✅the heroine is a vigilante serial killer
✅the hero has been stalking her for years seeking revenge after she killed his father
✅takes place during a Halloween party and hero is dressed as ghost face from Scream
✅praise/degradation kink
✅lots of CWs including murder and bloodplay
Profile Image for Lucía.
203 reviews8 followers
October 21, 2025
I hope you're hungry... for NOTHING!
Profile Image for Michael.
755 reviews59 followers
July 6, 2024
This was a fun smut story. It was cheesy in parts. We have a masked character that is in love with the main character Aster.
Profile Image for Jess.
712 reviews59 followers
March 4, 2024
This is one of those “plot is unhinged smut” kind of novellas. It’s hot. There’s a masked MMC into knife/blood/primal play. He also enjoys biting. It’s wild. But fun.
Profile Image for Sydni Donahue.
576 reviews48 followers
October 21, 2025
Unmasking obsession ⭐️
For sure one of the worst books I’ve read in my entire life. Was I very entertained by it tho? Absolutely. The plot and characters were very poorly done and made absolutely no sense. It was a clusterfuck. Smut was very entertaining tho and made me giggle. Their dialogue among the characters made me cringe the whole time but I powered through obviously. Also I read this for Halloween and taboo purposes but it was barely taboo. SAD. One star for the entertaining ride lol
Profile Image for Neapolitan670 📚🖤.
976 reviews63 followers
October 29, 2024
A real quick Halloween novella. It was a spicy read more than there was any plot, it could be classed as taboo but not for me they were step siblings but hadn’t been around each other long enough for it to be real taboo. A few parts seemed to be thrown in, like a stew you add more ingredients to in the hope the flavours are absorbed. Not dissing the book, as it as an ok read for Halloween smut.
Profile Image for S h a n i a⛓️.
29 reviews1 follower
October 31, 2023
this was all sorts of crazy and I loved it! The darkest romance I’ve read so far and it was brilliant 🤩
Profile Image for Erica.
653 reviews5 followers
October 22, 2024
Absolutely terrible.

And didn’t really make any sense.
Profile Image for _n3ll1.
317 reviews19 followers
October 9, 2024
2,5 ⭐️ unhinged and straight to the point
Profile Image for Jade Holdaway.
25 reviews
November 5, 2024
I loved this from the start. It's only 86 pages but worth everything. Such a good novella and amazing story line. REALLY sad in a place or two but definitely worth it.
Profile Image for Anna Nenna.
942 reviews53 followers
Read
August 16, 2026
I did the audiobook version because I very much like both narrators! No notes or rating this was a vibe… 🤷🏻‍♀️
This entire review has been hidden because of spoilers.
Profile Image for booklovelastsforever K.
162 reviews8 followers
September 28, 2024
I was enjoying the beginning. I thought this is going to be one of those books I recommend to everyone for Halloween. But it didn’t continue that way.
I know it’s a novella, so you don’t get to go into the depth of background for characters etc but others manage to pull off a full rounded novella better, I’m afraid.

The FMC’s personality seemed to change halfway through. I think you either stick with the FMC being scared but curious of her stalker OR from the beginning you know that the FMC is a badass and doesn’t take 💩 from anyone. She’s not afraid to get her hands dirty. It just didn’t flow right and seemed weird for it to take this sudden turn.

That was the standout inconsistency for me. Sorry!

The spice was good though. That was hot!
Profile Image for Amy.
213 reviews2 followers
October 31, 2023
a perfect short spicy read!

This story delivered on exactly what it promised: a spicy novella with about four different major sequences, three of which were spicy. Please read any and all trigger warnings or proceed with caution! There was a bit of a jump and rapid character explanations, but that is to be expected in a novella where there’s not time to do that. This was actually the best I’ve read in a novella!
I almost never give novellas five stars because they don’t have time to build, but this is an exception. It was short, dark, spicy, and still had fun and engaging dialogue and characters!
197 reviews9 followers
August 26, 2026
Halloween Masked Man

Book: Unmasking Obsession
Author: Ashley Reyes
Series: Standalone
Pages: 96
Rating: ⭐️⭐️⭐️⭐️
Spice: 🌶️🌶️🌶️🌶️🌶️

🎃 Taboo Romance
🎃 Stalking
🎃 Primal Play
🎃 Spicy Halloween Novella

Aster and her mom move in with his new stepdad and step brother but everything is not as good as it seems.

Years later at a college Halloween party, Aster thinks she is hooking up with her boyfriend but it is really her step brother. He has some unfinished business with her.
Profile Image for ThatBookishWriter.
393 reviews19 followers
October 27, 2023
Another ghost face dark romance. Freaking love reading these!! Killian is so 🥵🥵🥵 Omg I loved it so much. Perfect quick, dark, spicy and masked man read.

I love these two together. They are both twisted, dark and just perfect for one another.
Profile Image for Jennifer.
1,860 reviews65 followers
November 8, 2024
As a strictly halloween smut book, it was decent. But judging it overall, it was a bit messy. The writing was very annoying at first but it did get better. The plot, well, that was all over the place. Like killing someone, saying you're going to use this other person to take the fall but then killing said other person? And what happened to the first dead guy? The pacing was also very clunky and sometimes didn't flow together well. But, as I said above, for what it was, it was decent if you aren't going to look too deep.
Profile Image for ★ reshika.
356 reviews9 followers
December 28, 2024
4⭐️/5⭐️

there was more smut than plot but it was a fun ride
The serial killer part was a surprise actually cause she was being a normal girl then boom she kills pedos
Killian was hot, I also liked how obsessive he was lol
Profile Image for Sarah Louise.
264 reviews14 followers
May 7, 2025
I really enjoyed this novella. We had enough back story to be able to enjoy the rest of the book being mostly spice 🤣. Not complaining about that i just mean that this book is short but packs a whole lotta smut into the pages! Enjoyable characters. Would read more!
1 review
November 8, 2023
Trick or treat!!!!

I'm a girl who loves her some trick and treat. And with Killian, Ashley has made the perfect piece of candy I'd love to sink my teeth into
Profile Image for Hetty❥.
156 reviews
October 17, 2024
right to the point this one. not a lot of character development given the length of the book but it's hot, steamy, a little questionable and pretty bloody.
a perfect halloween 🎃 read.
Profile Image for Tinu Jay.
50 reviews93 followers
October 21, 2024
4.5 ✨

What a quick dark spicy novella! Another ghost face killer that involves romance and stalker vibes! Perfect read since Halloween is around the corner and story takes place at a halloween party 🎃

tropes: step siblings, revenge, stalker, masked man, murder and bloodplay
Profile Image for Becky.
164 reviews10 followers
November 1, 2024
The perfect stalker masked man pallet cleanser between heavy books it's dark and delicious.
Displaying 1 - 30 of 216 reviews