Hwasa is the leader of the coven and she has been trying to keep humans safe for 700 years. In order to do that, she believed it was necessary to seal the powers of one of her best friends( the Warlock) in other dimension.However, she paid a painful price.

Wheein is a human who was found almost dead when she was a child and raised by a mysterious woman. She knows a bit about the real face of the supernatural world that people think is fictional.