Mermaid's Broken Vow

The sea witch Caspera hid in the manor's underground dungeon for three years to keep a promise of 'I will marry you', quietly being Baron's secret lover. But when she eagerly wanted to share the joy of her pregnancy, she unexpectedly stumbled upon the wedding of the Count's daughter Seraphina. How can Caspera, whose dream is shattered, escape Baron's control...