Ahyoung, a common human girl that gets tangled into an underworld where the fantasy comes to life. A story of demons and vampires that hides more than just one secret, will Ahyoung be able to reveal all of them and in the way discover who she is?

Kim Ahyoung has to changes her name being Kim Yura after she was adopted. She thought that she would have a new chapter and happy being a part of a wealthy family but she's wrong. She hates all the things about her new life except met Hong Jonghyun, their parents are friends and partner business. They're growing up together and not get along. So many things that Ahyoung hid from people around her except her orphanage friend, Lee Seunggi. 

It has been 2 years since Jonghyun and Yura wasn't seeing each other. They're just met unexpectedly and trapped in the scandal that forced them to have fake dating. It was a good fate, but what is the ending they choose?        

Happy ending is never the answer to everything. Have you ever you know how it’s feel to face your happy ending just in a few minute and it was ruin in the middle of the time. Let me tell you a story with a no happy ending…  

Jonghyun wanted to have another chance, however Yura is afraid to take another leap for him.  But then she asks for patience and he said he's willing to wait, even if she comes slowly.  

      "Never let go." He promised her. She looked up and smiled at him, "Never let go."