My father sold my soul to an underwater mafia king. Now the monster in the tailored suit says I belong to the trench… and to him.
When small‑town bartender Sarah Vane is traded to the Obsidian Syndicate to pay off her father’s impossible ocean debt, she expects to drown. Instead, she wakes in the arms of Dante Vane—a bioluminescent merman crime lord who drags her to the bottom of the Atlantic and locks her in a glass cage high above his neon‑lit undersea city.
Dante is supposed to be a cold collector of debts, the Leviathan who owns every smuggler and shark‑shifter in the Trench. But the longer Sarah survives in his obsidian tower, the more cracks she sees in his armor: the hidden orphan sanctuary he finances in secret, the way he puts his own body between her and assassins sent by his enemies, the way the water itself shudders when he roars, “You touched her.” For the Red Tide cartel, Sarah isn’t just collateral—she’s the human key to a cache of forbidden resonance crystals that can topple the Syndicate’s defenses and burn the ocean clean.
When a failed hit exposes a power inside her that can speak to the living engines of the deep, Sarah stops being a powerless prisoner and becomes the most valuable weapon in the war between syndicates. As Dante’s enemies breach his strongholds, steal his children, and flood his city with blood, the Don of the Trench will do anything to keep his new Maker alive—even if it means tearing down his own empire or starting a surface‑level war that breaks the oldest law of the sea.
Trapped together in vaults, war rooms, and siege‑torn sanctuaries—from a penthouse window that monsters press against to a bunker where a kraken king demands his price—Sarah and Dante are forced to choose: stay enemies and die, or surrender to the lethal bond humming between them. Because the deeper they fall, the clearer it becomes that the most dangerous current in the ocean isn’t the Red Tide or the ancient machines waking in the abyss.
It’s the merman king who marked her, and the human queen who might burn the sea to save him.
MARKED BY THE MERMAN delivers a pulse‑pounding dark merman mafia romance with a ruthless, obsessive underwater king, a captive heroine who becomes his queen, and a war that starts in a tavern and ends in the abyss.
• Dark Merman Romance• Underwater Mafia / Syndicate World• Kidnapped, Sold‑to‑the‑Mob Heroine• Possessive “Touch Her and Die” MMC• Forced Proximity in a Glass Penthouse Cage• Heroine Discovers Secret Ocean Magic (Maker Power)• High‑Stakes War, Monster Battles, and Hard‑Won HEA
