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Unleashing Mayhem

Demon Bound #4 / 5
by Grae Bryan
Unleashing Mayhem (Demon Bound #4) by Grae Bryan
⧗ 8.00 / 1
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Matteo’s been running scared for so long he’s forgotten what it’s like to feel safe. Or maybe he never knew in the first place. Raised by a cruel man, tormented by an even crueler one, and recently rescued by a demon, Matty’s still jumping at shadows around every corner. When he sees a familiar face from the past and realizes his ghosts really have come back to haunt him, Matty does the only reasonable thing he can think of.

He summons someone even worse.

Nightmare is a solitary demon by nature. He’s never needed a companion or a lover or a friend, and he’s never minded being feared by others of his kind. But one taste of Matteo’s sweet, terrified soul and Nightmare needs more. When he’s finally summoned to Matteo’s side, Nightmare finds himself exactly where he wants to be. Now it’s only a matter of patience, seduction, and convincing his little human that one contract isn’t enough.

What they really need is an eternity.

Unleashing Mayhem is a heated MM paranormal romance with a HEA and no cliffhanger. It contains a sweet human afraid of everyone but the monster at his side, a demon so possessive even other demons run scared, a found family made of mobsters and monsters, and a summoning gone right (for once). While each book focuses on a different couple, the series is best enjoyed in order.

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FantasyRomance
Release date: July 17, 2025

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Grae Bryan

In the dim glow between fantasy and romance, Grae Bryan writes love stories where the undead crave more than blood, demons have soft hearts, and fate always finds a way—even in the dark. With a devoted readership that’s grown into the tens of thousands, Bryan has carved out her own corner of the MM paranormal romance world, one where tenderness blooms in the most unexpected places and the supernatural feels both dangerous and deeply human.

Her breakout novel Roman introduced readers to a lonely vampire and an ER nurse whose connection felt less like fiction and more like fate. The book quickly became a fan favorite, setting the tone for a series that Bryan herself describes as “dark fluff”—low angst, rich emotion, and just the right touch of danger. Whether it's her Vampire’s Mate or Demon Bound series, her stories blend external tension with deep emotional intimacy, striking a balance that keeps readers hooked page after page.

Read more ...

Bryan’s writing stands out for its mix of sharp humor, sincere character work, and unabashed devotion to the healing power of love. She doesn’t shy away from heat—her books are unapologetically spicy—but always wraps her stories in an emotional core that feels honest and earned. It's this unique mix that has helped her books resonate with a growing online community of queer romance fans who find comfort, thrill, and representation in her work.

Born and based in Arizona, Bryan shares her home with a “monster-dog” and “demon-cat” who are equal parts muse and mischief. When she’s not plotting the next supernatural romance, she’s reading everything from cozy mysteries to gothic fiction, or chasing after her children with a cup of caffeine in hand and a story simmering in the back of her mind.

As her fanbase expands and her world of fated mates and midnight confessions deepens, Grae Bryan continues to deliver what readers crave most: stories that feel like coming home—even when they’re set in the shadows.

Demon Bound

In a city where power is currency and family ties are bound in blood, the Demon Bound series cracks open the underworld—literally. Here, the Kozlov brothers aren’t just heirs to a ruthless Russian-American crime dynasty; they’re men caught between the weight of legacy and the chaos of something far more ancient. When demons slip through the cracks—some summoned intentionally, others not—desire, danger, and dark bargains begin to blur the line between monster and man.

Read more ...

Each book dives into a different brother’s descent into the supernatural: from Sascha’s accidental pact with a lethal demon warrior, to Ivan’s unraveling control when faced with an incubus who knows exactly what he wants, to Cooper’s retreat from the world until chaos itself takes an interest in him. These aren’t clean romances or tidy stories. They're charged with tension, built on bruised trust, and haunted by what it means to choose intimacy over armor.

What makes the series stand out is its fusion of mafia grit with paranormal heat—gritty emotional landscapes carved out with sharp wit and aching vulnerability. The demons aren’t the only ones fighting their nature; the men they’re bound to are just as scarred, just as hungry, just as unpredictable.

With its darkly seductive atmosphere and character-driven arcs, Demon Bound doesn’t offer salvation—it offers something messier, more human. Something bound in longing, power, and the kind of love that has to be fought for, tooth and claw.


Demon Bound consists of four books and series is set to expand with the upcoming release of one more book. The current recommended reading order for the series is provided below.

Wreaking Havoc (Demon Bound #1)
Unrated
Inviting Bedlam (Demon Bound #2)
⧗ 8.00 / 1
Calling Chaos (Demon Bound #3)
Unrated
Unleashing Mayhem (Demon Bound #4)
⧗ 8.00 / 1
Demon Bound Book 5 (Demon Bound #5)
⧗ 8.00 / 1


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