A Court of Seas and Storms by Daniela A. Mera

He has to kill her. She trades her voice for legs she didn’t want. Can love be found on a ship of enemies?
The Ice Mer King makes a deal with the Pirate of Death to kill his daughter to repay his life debt. Fail, and Erik will die in her place.
He doesn’t expect the princess didn’t have such a talent for getting under his skin and consuming his thoughts.
All that Helena wants is love, safety, and family. Somehow, she finds herself tangled up with a dangerous Pirate whose fate lies in her hands.
Falling in love is exciting, effortless. But is either of them willing to pay the price to be together?