The Abyss Lord's Secret Twins

Abandoned by her husband over her cursed appearance, a merfolk heiress falls into a lightless trench and meets an abyss lord trapped by an ice curse. After one night together, a cruel scheme separates them. Five years later, she returns with her daughter, facing a forced marriage, a stolen twin, and deadly plots. When the sisters reunite, the truth saves her family, exposes her enemies, and makes her queen.