Bae Joohyun a.k.a Irene Bae

> Chairman of Bae Enterprise
> a vampire business woman and a model, she is known a Cold Goddess because of her cold personality towards her employees.

Kang Seulgi

> A human, who really need a job for her younger sister, Yerim. She will work as a assistant of Bae Joohyun.
> Seulgi is known as a bear, she has nice personality that everyone wants to be friend.

Will she change Bae Joohyun?

Kang Yerim

> Seulgi's younger sister

Son Seungwan a.k.a Wendy Son

> A human, she will be Kang Seulgi co-worker/bestfriend in Bae Joohyun's company. She has a relationship with Park Sooyoung.

Park Sooyoung

>She is Wendy's girlfriend, she is also working in Bae Joohyun's Company, she will be also a friend of Kang Seulgi.

Lee Joon-hyuk

> Bae Joohyun's secretary, he will be the one who will recruit Kang Seulgi as a assistant of Bae Joohyun. He is already working at the company for many years, he was also the assistant of Bae Joohyun's father.

Krystal Jung

> Bae Joohyun's vampire childhood friend, she is a model and a actress.

Jackson Wang

> President of the Bae Enterprise, he is also Joohyun's vampire childhood friend, he likes Bae Joohyun since childhood.