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Mafia / Mob Romance

Crush of Sin: A Motorcycle Club Romance

Mhairi O'Reilly
SpiceDarkness

How we rate spice & darkness

  • Kindle, paperback & audiobook on Amazon
  • Spice & darkness rated — content warnings listed below

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Why we recommend it

Sin and steel collide in this gritty motorcycle club romance for readers who crave a dangerous man with blood on his hands and a soft spot he'd kill to protect. The mood is dark, possessive, and unapologetically intense, with a morally grey hero who blurs the line between savior and threat. If you like outlaw loyalty, forbidden desire, and a heroine pulled into a world she can't escape, this one delivers.

At a glance

Crush of Sin is a mafia romance by Mhairi O'Reilly. Spice 4/5, darkness 3/5 — on the lighter side for mafia romance. Among 931 rated mafia romance books, almost none are less dark and 24% less spicy. Tagged tropes include found family, alpha hero and forbidden romance. It is about as dark as Mhairi O'Reilly’s other books on Readark (average darkness 3.3/5). 1 content warning is listed below, hidden until you tap.

Book details

Published
November 2025

Crush of Sin spice level

Crush of Sin is rated 4/5 for spice on Readark’s scale: explicit and frequent, meaning multiple detailed scenes, with heat central to the story. Its darkness rating is 3/5: genuinely dark, meaning violence, coercion or captivity drive the plot, not just the mood. How we rate

Crush of Sin content warnings

We list 1 content warning for this book. It stays hidden until you tap, so you can check without spoilers.

Content warnings (tap to reveal)
  • Graphic Violence

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