As far as can be understood, Chihiro Enomoto is a freshman at the prestigious . The students of Rikkyoin are engaged in a year-long contest designed to determine which individuals will become the Student Council for the subsequent school year. At the start of the contest, lots are drawn ("kujibiki" roughly translates to "drawing straws" or "drawing lots"), and students are organized into groups according to the numbers they draw. These chance drawings also determine the positions and roles the students would take in the Student Council should the group they are a part of win the Kujibiki. (Chihiro, for example, would become Student Council Secretary.)