The Mermaid's Skirt (Re-Translation)

To break her engagement, a rebellious mermaid journeys ashore in search of her dress shop owner "fiancé." But when she accidentally unleashes a sealed demon from a mysterious dress, she must join forces with a seductive, scheming—and infuriatingly handsome—man to subdue it. Now, the tsundere mermaid and her unlikely ally embark on a fantastical adventure fraught with danger and love.