Blood Princess by Honey Palomino

A historic bloodline can be a blessing or a curse.

When all you want to do is live a normal life, it’s a prison.
Clare has done her best to try to provide some semblance of a normal life to the twin princesses she takes care of, even with the over-protectiveness of their father, the King of Lilivania.
When Princess Willa disappears, the King insists the public never find out.
In a race against time to find her, Clare reluctantly accepts the help offered by her old friend, Diana.
That help arrives in the form of a gang of American outlaw bikers — the Gods of Chaos Motorcycle Club.
Riot, Slade, Stryker and Wreck leave Clare reeling and quickly second guessing her decision. She doubts they’ll be able to find Willa, but the Gods quickly get to work and prove her wrong.
She never expected they’d be so skilled.
She never expected they’d be so brutally sexy.
And she never, in a million years, expected her pulse to race so wildly every time Stryker’s dark gaze falls on her…