Maya Kurosu

Strange things start to happen at the school. Toru Danda, a target of bullying who has stopped coming to school, shows up one day wearing a strange mask and acting like a completely different person. From that day on, one student after another dons a mask and is reborn within the school community. The fashion appeals to the twin desires to be anonymous and to be someone else, and quickly becomes a social phenomenon. (facebook.com)

An alien and a man-eater are playing a deadly game of cat-and-mouse at Shinyo Academy, and the students are the ones who suffer as a result of this. Is the legendary shinigami, Boogiepop, somehow involved in this incident? (Wikipedia)