Dividead

Divi-Dead is a 1998 eroge visual novel game made by C's Ware. The story begins the day after the protagonist transfers to Kanoyama Academy High School. The principal of this boarding school is the protagonist's untrustworthy uncle. The protagonist decides that the reason he is transferring schools is to investigate, report, or resolve a scandal that involves emotionally unstable and violent students that's related to the presence to the "fragrance" that is secretly spreading around the school.