Rise of the Siren Queen by Jennifer Reis

Iryen
They say a queen must never follow her heart.
But mine shattered the day my fiance murdered my parents.
Now, with my coronation approaching and the weight of a kingdom on my shoulders, I have no time for grief and no room for mistakes. The council watches. Enemies circle. And then he appears, a human who doesn’t belong in our world, yet somehow calls to something deep inside me.
I shouldn’t have saved him. I should’ve followed my duty, obeyed my queen, and left him to fate. Instead, I let my heart speak and now I’m drowning in the consequences. A mate I never wanted. A killer still on the loose. A kingdom watching my every move. And a council trying to take my crown.

Adrian
All I wanted was to relax, stay a few days away from my busy schedule and my overbearing father, a vacation to a remote island off the coast. What I didn’t expect was a woman with emerald eyes, a voice like the sea, and the power to unravel everything I thought I knew. She says I’m a threat. So why can’t I stay away? So why I can’t stay away?