Yeo Hyeshin – An average girl who happens to have an identity of seeing spirits since her childhood. This is why she’s not startled upon knowing the mission given to her which is to help a lost soul to come back to its body.

Yook Sungjae – A very handsome guy who is arrogant yet very cheerful and childish. He is the lost soul whom Hyeshin needs to help for him to come back to life.

Jung Ilhoon – The cutest guardian angel that Hyeshin have ever seen. He is the angel who brought Hyeshin the news about her mission. He’s so cuddly and caring for her. He didn’t notice that somehow he had fallen inlove with Hyeshin.