Bible Black Origin

The narrative details events twelve years before the book's discovery by Minase, tracing the origins of a potent magical text. Initially, a female student named Takashiro comes into possession of the volume. She and other curious classmates establish the first occult club on campus. This group begins employing the book's sensual spells to perform favors and enact revenge for other students. However, after underestimating the dark forces within, Takashiro is removed from her position. A new leader then steers the club toward a more sinister path. This trajectory ultimately compels a newcomer to the school, Kitami, to face a grave decision.