Noeul is a Merman, and Chaikamon is a human. They are drawn to each other, and their friendship turns into love. Will their love transcend the boundaries of their worlds, or will the forces of fate tear them apart? Find out in this enchanting love story.

Arrange marriage!!! The rudest Payu...!!! The most innocent nerd Rain...!!! How will devil Payu falls in love with angel Rain ???