My Hobo Husband Is King of Atlantis

Sinopsis

Betrayed by her fiancé and half sister, Nerissa shocks the nobles by marrying Alexander, a penniless merman everyone mocks. But her drifter husband is secretly the King of Atlantis. Thrown into deadly palace trials, Nerissa is framed for an attempt on the Queen Mother's life and sentenced to die. Alexander can hide his crown no longer. Even if he saves her, can their marriage survive his lie?