KING OF REGRET by Bianca Borell | Dark Mafia Romance Standalone | Release Blitz
January 14, 2026
KING OF REGRET
Kings of the Underworld #2
by Bianca Borell
Release Blitz
Release Date: January 14, 2026
Cover Design: Tempting Illustrations
Genre: Dark Mafia Romance Standalone
Tropes: Brother's best friend, forced proximity, grumpy/sunshine, touch her and d!e, forbidden love, jealous/possessive hero, she falls first/he falls harder, celibate hero, tortured heroine, unrequited love, secret relationship, emotional scars
Synopsis
She loved him first. He’ll fall for her last – and hardest.
In the shadows of the city he rules, Dahlia Ferrara has spent years in love with one man: Mikail Morozov. Her brother’s best friend. The underworld’s coldest king. The forbidden obsession she was never meant to touch.
He rejected her once.
Now she’s done waiting.
Dahlia offers Mikail ten days – no strings, no future, no promises. On day eleven, she walks away to build a life far beyond the brutality of their world
and the secrets that have scarred them both.
But being this close to her, is a crack in his armor he can’t afford.
Forced proximity ignites jealousy, desire, and a control he’s been breaking for years.
Because Mikail has a secret of his own –
he’s been celibate because no one has ever been her.
She’s sunshine in a violent world.
He's a king built from regret.
And their connection is one line that was never meant to be crossed.
Loving her is betrayal.
Keeping her is war.
But letting her go would destroy him.
A dark, intoxicating forbidden-love mafia romance featuring a jealous, possessive hero, a tortured heroine, forced proximity, unrequited turned devastating love, emotional scars, a celibate anti-hero, and a secret relationship that could get them both killed.
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KING OF OBSESSION
Kings of the Underworld #1
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About the Author
Bianca Borell is a contemporary romance author, voracious reader, nature lover, and unapologetic daydreamer. She spends her nights deciding between getting up to write or trying to silence the voices of her characters. The battle is never-ending.
She has a weakness for tormented characters, second chances, and happy endings.
She currently lives in Germany with her amazing husband and indulges in way too many pastries than she should.
Connect with Bianca
Website: https://bit.ly/3mynSKc
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Facebook Author Page: https://bit.ly/2KPNT9O
Facebook Reader Group: https://bit.ly/2HWJaC7
Goodreads Author Page: https://bit.ly/3muSEUb
Instagram: https://bit.ly/3msywSR
TikTok: https://bit.ly/3WKc1ge
Pinterest: https://bit.ly/37u8AA1
Amazon Author Page: https://amzn.to/2HYMtZJ
Bookbub Author Page: https://bit.ly/3qhrm6b
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