This story about a human girl was having a test on that day . On the same day , she fall asleep on her examination because she was tired from part time working and participated some activities in school . She's not a popular girl or prettiest girl in school . She just lonely girl and she was 17 years old . When she fall asleep on her examination , she have a weird dream in Another world(Demon world) but this dream no one knows whether its real or not . She was going to discover her dream in this story .