Boogiepop wa Warawanai: Boogiepop and Others (2000)

Boogiepop wa Warawanai: Boogiepop and Others 2000 / ブギーポップは笑わない 2000 / Boogiepop Phantom

Bizarre events are taking place in the shadows of Shinyo Academy. The disappearances of several students creates an uneasy feeling throughout the school, as rumors of a spectre of death named Boogiepop begin to escalate. Meanwhile, a disheveled figure named Echoes desperately seeks out its murderous twin, the Manticore, in an effort to stop its recent killing spree. Somehow Boogiepop, Echoes, and the Manticore are all related, and their actions will place several of Shinyo Academy's students in deadly peril.