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Alpha's Captive - Part 1: A Forced Proximity Paranormal Romance

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She was sent to ruin him. Now she’s trapped at his mercy. The only thing more dangerous than their secrets is the heat between them.

Vesper is a living weapon—an omega forged in darkness and handed over to the Brotherhood’s most lethal Enforcer, Biron Ashwood. Her infiltrate the Brotherhood’s elite, expose Project Manticore’s atrocities, and destroy the monster who claims her as his prize.

But the second Biron’s cold eyes meet hers, their fated bond detonates—feral, undeniable, and utterly forbidden. Trust is poison. Obsession is inevitable.

Biron knows Vesper is a trap, a spy sent to rip his honor to shreds. But the omega’s scent, her defiance, her body and soul—all haunt him. The mate-bond is a brand he can’t escape, even as it pulls him toward betrayal, violence, and a truth that could topple an empire.

Locked in a gilded cage and navigating a web of betrayal and seduction, Vesper must choose between her mission and the Alpha who makes her burn. With the Brotherhood closing in, ancient blood magic awakening, and enemies lurking at every turn—one misstep could mean death for them both.

Will their impossible bond destroy them—or ignite a revolution in blood and desire?

If you

Enemies-to-lovers with explosive tensionPossessive, dangerous Alphas and cunning, reluctant OmegasAncient rituals, secret societies, and primal magicObsession, sabotage, and jaw-dropping plot twistsOff-the-charts steam (this is no slow burn!)...then ALPHA’S CAPTIVE delivers everything your untamed heart wants.

Part 1 of a standalone, high-heat, no-cliffhanger novel in The Bloodmoon Brotherhood Series. Contains dark themes, graphic violence, and explicit content—reader discretion advised.

Audible Audio

Published August 12, 2025

25 people are currently reading
16 people want to read

About the author

Sienna Wylde

10 books

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Displaying 1 - 3 of 3 reviews
Profile Image for Hannah Butcher.
45 reviews3 followers
August 18, 2025
Loved this one. Found it free on audible. Enemies to lovers and the spice level is 🫣. Did NOT see the ending coming though and will definitely be reading the second book to see what Vesper and Biron do next.
Profile Image for Kristina Stangl.
Author 9 books63 followers
July 11, 2025
An Enticing and Spicy Slow Burn

An enticing and spicy slow burn. I highly enjoyed this read and was rooting for Viper and Biron with each turn of the page. Their chemistry was electric and the slow burn romance had me wanting for more. Each chapter was entertaining, and I appreciated the dual POVs between the main characters. The spicy scenes were on fire, and the pace was perfect.

Overall, this was a great enemies-to-lovers romance, and I highly recommend it.
Profile Image for Melissa Cantrell.
Author 6 books13 followers
November 1, 2025
Werewolf Love Story Part 1


The main character is Biron, and the sub-characters are Marcus Ironheart, Damon, Dominic Ravencroft, Rayan Stromfall, Thorne Blackrest (the alpha - Biron's father). These wolf men make up the brotherhood. Vesper is a beautiful omega female who needs protection. Biron has an intensified heart rate when he is near Vesper. He is bonded to her. During the full moon, they are running at night. They are a mated pair and make love. Biron is concerned for Vesper's safety. She is devious, and they have rough play. They have painful blood ceremonies and are trying to get Vesper to be loyal to a different pack. Biron will change that. Vesper tells Biron that she is not his property. She is part of the omega resistance. Biron believes that Vesper has betrayed him. Vesper is unclaimed, so Biron declares that Vesper is his. They use a Blood Moon Ceremony with herbs to align. They consummate their love. Does Vesper belong to Biron or not? Will Biron be able to protect Vesper?
Displaying 1 - 3 of 3 reviews

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