High school student Minase stumbles upon a sinister book of magic in an isolated school room, setting off a chain of extreme supernatural and sexual events. This uncensored first episode of the Bible Black series dives deep into dark themes involving school settings, nurse encounters, and demonic elements. The narrative unfolds as the protagonist experiments with spells that yield powerful results for himself and his peers. Throughout the production, viewers encounter various erotic scenarios featuring blowjobs, masturbation, creampies, and handjobs. The series explores the dark origins of the magical text and the terrifying consequences of dabbling in forbidden arts.