Minsum was the quite girl in the back of physic class with a dark secret. 

She could see ghost .

Minsum have a scary appearance that make make no one want to come talk to her. It also didn't help that her timid personality and low self-esteem make it hard for people to approach and be friend with her. She was a loner to say.

However what would happen if Minsum got possessed by a ghost. Not just any ghost but a outgoing, popular and feisty teenager girl name Boram that have lost her memory when she die. 

Watch as Minsum new personalty starts turning head toward her, including the 11 kingas that always seem to be making fun of her.