Oops! I Summoned A Demonic Merman

Witches Love Monsters

by Naomi Lucas

One moment I’m within my domain in the abyss, and the next…
She’s in front of me with a steam cleaner in her hand.
Her name is Grace… but I’m in no threat of falling, feeling hexed…
With her, I’ve ascended, on land.

Now she wants to get rid of me, saying I’m an accident.
Unfortunately for her, I have no intention of leaving without a taste.
I plan to stay until she’s flustered, wet, and bent out of shape.
Then maybe I’ll give her a reprieve, after I’ve had my fill of the chase.

-Sepher, Duke of Hell


Witches Love Monsters features short, fun romps from some of your favorite Regine Abel, Opal Reyne, Naomi Lucas, and Tiffany Roberts. Each book reads as a standalone

Genres: Monster Romance, Paranormal Romance, Paranormal, Fantasy, M F Romance, Monsters, Ebooks

156 pages, Kindle Edition

Published January 28, 2026

About the author

Naomi Lucas is an indie author. She loves being creative whether it’s with painting, writing, or making little jingles about her dog, Barracuda, or her cat, Daliah, in the car.

Reviews

[Cat H · Rating 3 out of 5]

3.2 stars.
I had a feeling this one would be my least favorite of the collab, and unfortunately I was correct.
I did like Sepher. He was mischievous, and I always love the ‘I only like you’ kind of character.
But that ending??
What the fuck was that? He’s a Duke of hell, they both have magic. You’re telling me there was no other solution to their living situation? 🤦🏻‍♀️

[Poppy || Monster Lover · Rating 4 out of 5]

Sepher was mischievous and antisocial, with an intense and rapid onset desire for Grace. Grace was lonely but determined to make her own way in the world. She wasn’t as wily as one might hope someone to be who accidentally summoned a demon, which led to some… expectations. Sepher was no hero, definitely pushing for more at all times, but I like a little darkness.

Spice: 5/5

Triggers: dubcon, involuntary pregnancy (she didn’t know he could get her pregnant while she was on birth control, pregnancy lasts a few hours before egg sac laying, which is off page), kidnapping, loneliness, hell, mention of past cheating, mention of past SA/attempted SA of minor, mention of past fire, mention of torment,

[spicykatzreads · Rating 2 out of 5]

First 50% was so fun

[Blue · Rating 3 out of 5]

3.5 Stars
⬇️⭐️⭐️⭐️
What? Noooo! I need more! Or at least another epilogue where she’s not mortal and with him! It mentioned that she’ll be with him when she’s done with her mortal life but I need to read about it!! It ended with her introducing her parents to their kids.

Sigh, I did really enjoy it and clearly wished for more and I love that he’s a v and anti social.

[Airaseem · Rating 4 out of 5]

I LOVE the MERDEMON! Wished the book was longer especially his POV and more intimate moments! I felt that the beginning dragged a bit for them to be romantic especially for a short novella. But I LOVED THE PREMISE OF THE STORY! Super fun monster read!

[Theo Jack · Rating 3 out of 5]

I really liked how this started, and while I understand this is a novella, it ended abruptly. I would’ve like to have a little more of the relationship dynamic before the story ended.

[✨Gretch✨ · Rating 5 out of 5]

This was a fun and light read! Who doesn't want to summon their own Demonic Merman? I know I do, so I'm off to find one for myself.

Grace isn't a full fledge witch, and believes she has little to no powers. So when cleaning up another coven's summoning circle, she is surprised, and a little freaked, when Sepher shows up. Being a merdemon and all, he needs water to survive, so they come up with a deal. All though the water that he wanted wasn't the water that she expected...

Like I said, if you need me, I have a summoning circle to create.

[DemetraP · Rating 3 out of 5]

There was too much Hell stuff in the story. Spo8lers.
.
.
.
.
.
.
.
.
He says she is bound to him now and when she dies he will own her soul.

He lives in Hell permanently but she can visit and he can visit her on Earth. They have hundreds of kids, because she gives birth to an egg sack with many kids each time she gets pregnant.

I like his downstairs which had a few small tentacles in addition to his main shaft.

I would have preferred just a merman story.

[Moonlit.RomanceReads ✨️ Talia · Rating 5 out of 5]

Sepher was an obssesed mer-demon and it was hilarious to read about, how he tried everything to get Grace to fall for him and feel comfortable with him, no longer lonely.

Grace was a very lovely witch, who due to a bad experience doesn't want to come back to her parents house but has to due needing money. Loved seeing her fall for Sepher and feel happiness finally.

I am really enjoying this series between the 4 authors and all different characters in each book!

[Maplestory · Rating 2 out of 5]

I had to fight to finish this. The kids thing was too much. The lack of proper living situation was shit considering they were both supposed to be extremely powerful. The plot was just kinda not there. The family dynamic was weird and hard to understand. Idk the whole thing just felt off. The smut was also not very inspiring considering he had extra gear and barely even used it.

[Mariana McMurtrie · Rating 3 out of 5]

Not my favorite throughout but definitely love the ending.

I actually enjoyed the little back story of Grace and the description of Sepher in terms of personality and appearance but there was A LOT of red flag.

I’m interested in Sepher’s sister and her story a little more then Grace and Sepher’s love story tbh 😂

[Shayla · Rating 3 out of 5]

I am “indifferent”

This was a quick monster romance with little plot or thought. Spice was decent but was not super imaginative. It was very short and some of the words were used repetitively like “indifferent” and made the bland plot even more basic.

[Jennifer · Rating 2 out of 5]

This book was disappointing. It felt disjointed. The concept was amazing, but the story felt extremely abrupt and her magical prowess wasn’t explained. The plot left a lot to be desired. The ending was not the best and you’re left confused and full of whiplash.

[Courtney · Rating 1 out of 5]

I love the naga series so know Naomi can do great monster romance, but sadly this just fell flat for me. There wasn’t any plot. The descriptions, timings and speech were all over the place. It feels like this novella was written over a long weekend without proofreading or peer reviews.

[Michele · Rating 3 out of 5]

I do love her writing. It’s just fun and whimsical.

I will however say that was NOT the ending I was expecting. But I guess it was fun?

[Tein · Rating 2 out of 5]

Least favorite of my collab.

[Heather_Readsalot · Rating 4 out of 5]

3.5 stars

[Jackie · Rating 3 out of 5]

2.5

[Lorelei · Rating 4 out of 5]

First half of this book: alright alright alright 💦

Second half: I blame myself for having eyes

[Lisa · Rating 1 out of 5]

DNF 17% the writing was too terrible to even finish such a short book.