Ace of Shadows: A Forced Proximity Protector Mafia Romance (The Fifth Suit of Sin Book 1)
Book 1 in the The Fifth Suit of Sin series · Reading order →
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- Spice & darkness rated — content warnings listed below
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Why we recommend it
Close quarters and a guardian who'd burn the world to keep her safe drive this stylish mafia series opener. The protector is lethal, the heroine in his orbit whether she likes it or not, and the air between them crackles. If you love a possessive hero standing between danger and the woman he can't stop wanting, this first card in a darkly glamorous suit of sin promises tension, heat, and high-stakes menace.
At a glance
Ace of Shadows is book 1 in Ava Gray’s The Fifth Suit of Sin series. It rates 4/5 for spice and 4/5 for darkness, mid-range for arranged-marriage romance: of the 324 arranged-marriage romance books we rate, 17% score lower for darkness and 12% lower for spice. Tropes: touch her and you die, dark protector and forced proximity. Touch her and you die is one of the less common tropes in our catalogue. It is about as dark as Ava Gray’s other books on Readark (average darkness 4.3/5). 1 content warning is listed below, hidden until you tap.
Book details
- Published
- May 2026
Ace of Shadows spice level
Ace of Shadows 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 4/5: heavy, meaning sustained cruelty, trauma or non-consent central to the relationship. How we rate
Ace of Shadows 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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