Higanbana no Saku Yoru ni (2011)
Higanbana no Saku Yoru ni takes place in an unnamed school setting and is composed of numerous self-contained short stories, each told from the perspective of a student or staff member from the school. These stories feature bullying as a major overlying theme, as each story's protagonist is depicted as being either a victim of bullying or a bully themselves. Higanbana revolves around a series of urban legends caused by supernatural beings called yōkai. (wikipedia.org).
Genre: Visual Novel
AKA: The unforgiving flowers blossom in the dead of night
Developer: 07th Expansion