Description (rewritten)

For years they infiltrated our world. Those sly creatures described in the myths lived among us. They even dared to take a human bride and whisk her away into their world of secrets.
Oh Yoon Seo had been a secretary to one for years, never once did she notice that inner battle of his. His stubbornness doesn't accept her as his bride but his wild spirit aches to devour her. Soon enough a century-old conflict arises and they are stuck in the same old karmic circle.