The two different personality that he, Sunoo has.  When daylight, he's a innocent, happy and cheerful boy.  But when the night comes, he's a criminal, dark and evil boy.  His friend, is a girl named, Sooyun.  Will she find out the true side of him, or will sh

This story is about a girl who's haunted by a ghost who used to be her imaginary friend when she was a child. It's killed her mother and younger sister and is now up to her to protect her best friend from being murdered by the imaginary monster, which just used to be a ghost, but has now turned into a soul consuming monster.