Daijūji Kurou is a broke detective who is unexpectedly hired by a woman from the city's most respected leaders. He's asked to search for a powerful grimoire and is paid handsomely for taking the case. In searching for the magical item(a book) he stumbles into a strange bookstore, where the mysterious proprietor predicts that his future will change dramatically. He stumbles out onto the street where a lovely young girl falls from the sky and directly into his lap. He has no time to react as she is being chased by villains known as the Black Lodge, intent on killing and claiming her true form. Kurou witnesses her use magic and save his life from the bullets fired towards his car. When a crazy-psychotic doctor begins firing with heavy weaponry, Kurou is able to speed away in his car, taking the strange girl with him. The doctor discovers them just as the young girl decides to turn the tables.

With the help of Al and Demonbane, Kurou is able to defeat Doctor West. After the battle, Kurou tries to escape from Al but Al won`t let him go so easily. Source: crunchyroll

While Al and Kurou work to recover Al`s pages, Doctor West is planning for revenge. Source: crunchyroll

Members of Black Lodge`s Anticross invade the Hado estate. With the Anticross drawing closer to Ruri, can Kurou and Al make it in time to save her? Source: crunchyroll

It`s a day at the beach. Although it seems like paradise for Kurou, Al`s jealousy makes it a living nightmare for him. But will that compare to the series of disappearances and what happened to the people? Source: crunchyroll

During a rain storm, Kurou and Al find a girl named Ennea, who`s memory has been lost except for her name. She could be the key to finding Nero. Source: crunchyroll

Master Therion initiates Black Lodge`s master plan. Will Kurou and Al be able to defend the city from this new threat? Source: crunchyroll

With Al gone, Kurou can no longer pilot Demonbane. When all seems lost, an old enemy reappears... but he`s here to help. But will it be enough to stop Black Lodge? Source: crunchyroll

Claudius has come to get revenge on Kurou for Caligula`s death. Can Kurou and Elsa stop him? Source: crunchyroll

With Claudius defeated, peace seems to have returned... That is until Tiberius arrives with Ruri as his prisoner. Could the return of a dear friend turn the tables of the battle? Source: crunchyroll

Kurou and Al head towards the now dormant Black Lodge Base. Upon entering the base they are confronted by a stronger Augustus... Source: crunchyroll

Kurou prepares to enter the gate for the final battle. What he isn`t prepared for is Al wanting to break their contract and head through the gate alone. Will Kurou allow her to do this? Source: crunchyroll