A scream in the night, and in that instant the world changed ... or at least, it appeared to.
The story evolves around a creature called Boogiepop. Boogiepop, also called 'death', hangs out in the city, and whenever you encounter it, she'll take you with her.
Nagi Kirima, a highschool student, seems to be fighting Boogiepop - or at least, she tries to. But then there are disappearances everywhere, and strange happenings occur. And nobody sees the link between them.
In a mixture of chaos and thrilling horror Nagi tries to find out what happened ... and why it still hasn't happened to her.