Mangas

AKB00 Jogakuen -  AKB0048 Gaiden - Tobidase! AKB Zero Zero Onna Gakuen -  AKB0048外伝 とびだせ!AKBぜろぜろ女学園
It's an epidemic of accidental death! Multiple college students receive odd voicemails from themselves, messages from the future, and all they contain are the screams of their own deaths. A few days later, at the date and time of the message's posting, they die in mysterious accidents, and oddly enough, each have a candy in their mouths.