The Merman King's Sacrificial Bride

To rescue her father, Aria agrees to wed Ronan, the dreaded Merman King whispered to have murdered seven brides before her. Ronan keeps a secret of his own: those brides were assassins sent against him. As deadly plots gather around the palace, the two must stand together, and their bond slowly grows into love, carrying them toward a shared hope of joining the human and merman worlds.