A devil girl who ran away to avoid a family contract, a ruthless father, a gentle suitor, a handsome boy who loved to tease her,
A seemingly happy princess fairy tale, but it caused countless pains. The agreement that was once made turned into a ridiculous lie in an instant.
When the princess transforms into a mermaid, she accepts the choice of love or not, and endures the test of oaths and hatred.
When fairy tales cease to be fairy tales...
Can the princess hold happiness in her hands without pain?