A comedy and romance story that chronicles the adventures of a game developer who lost her job after the pandemic and decided to travel to the beach to relax. There, she meets a mermaid who falls in love with her and decides to follow her to the city. The mermaid, who has never had contact with the human world, gets into various confusion and hilarious situations, while trying to win the protagonist's heart. Will they be able to overcome the differences between their cultures and experience forbidden love?