Read manhwa The Baby Dragon Tames the Crazy People / Little Dragon Princess Tames the Crazies / Thalassa is the Emperor of Atlantis, the Empire within the Ocean. Contrary to her belief that she would live out her days happily and peacefully, she was betrayed by her lover and friend and eventually sealed away for a millennium. When she opened her eyes again "To think that I, who was once the Emperor of a great Empire, have now turned into a tiny baby whose size is that of a baby crab!' Atlantis has already fallen, and Thalassa has reincarnated as the baby dragon princess also known as the duke's daughter of the nation that her traitors founded. And what? In order to break the curse, the dragon princess must marry the Crown Prince? You sea anemone-like bast****!' Not only does she have to uncover the secrets behind Atlantis' downfall, but she's also fated to marry the Crown Prince regardless. Oh well, I'll just go along with this until the Crown Prince's curse is lifted!'