When a young fearless girl named Sang convinces a group of misfit monsters to take her to the Demon School Hades, she lets a vampire bite her so that she can enroll into the monsters-only school.
- Genre: Juvenile Fiction
- Subgenre: Science Fiction + Fantasy + Magic, School + Education, Comics + Graphic Novels / Manga
- Age: Teen
- Publisher: TOKYOPOP
- Pages: 169
- Language: English
- Format: paperback
- Release Date: January 9, 2007
- Date Published: January 9, 2007
- Author: Hee-joon Son