Allargando The Animation(2015)

Allargando The Animation is an adult anime series that explores the origins of a school's Magic Club. Years before Minase revives the organization through occult practices, the club operated under Miss Takashiro's leadership alongside the future school nurse, Miss Kitami. When the two students discover a mysterious Black Book, they unlock supernatural powers tied to forbidden rituals. The arrival of a new raven-haired member triggers a chain of events that transforms their understanding of magic and desire. The series chronicles how Kitami and Takashiro's fateful encounter with the Black Book's secrets sets the stage for the club's dark legacy.