Bible Black: La Noche de Walpurgis [TV] gghh gave it a 10.
An academy student, Taki Minase, finds a strange book while exploring an abandoned room in the school's basement. With the help of his cousin, he translates the Latin-French writings and finds them to be instructions for dark magic, which is actually a form of Kabbalistic satanism (the translation was not mentioned in the OVA).
239 s added this.
