Bible Black Gaiden / Bible Black Origins / バイブルブラック 外伝, Episode 1
Gakuen 12 years ago. Familiar threesome including Hiroko Takashiro who is interested in astrology and sorcerers is laughed at the student council president, Nami Koonsu magic. A few days later, Hiroko who uses handwritten magic books and plays strips at Nami’s «lover» · Junko Mochida at the stage of the whole school rally. And, as a result of welcoming the transfer student Kitami Reika to the school, the story began to move in an unexpected direction – the secret of Walpurgis 12 years ago is clear now!