In a futuristic metropolis where humans and merfolk coexist seamlessly, the boundaries between ocean and land have vanished. Stephan, an ordinary office worker, finds his life irrevocably altered when an unforeseen incident leads to a public proposal from Chao, a mermaid princess from the Ocean Kingdom. This unexpected turn of events not only disrupts Stephan's routine but also unveils a mysterious and fantastical connection buried deep within the tides of memory. As the two navigate the complexities of their intertwined fates, questions arise: Can Chao truly adapt to life as a human spouse? And is Stephan prepared to embrace the profound changes and uncertainties that this extraordinary love brings? Their journey challenges societal norms and explores the depths of identity, connection, and transformation in a world where the impossible becomes possible.