The Mystic Archives of Dantalian is a tV series anime that premiered in summer 2011, produced by GAINAX.

About the production: the story comes from a light novel, there are 12 episodes of about 25 minutes and its current status is "finished".

Its main genres are action, mystery and supernatural, with themes such as Urban Fantasy, Magic, Foreign and Episodic.

On AniList, The Mystic Archives of Dantalian has an average score of 69%, a good score, and appears on 31,069 users' lists.

Hugh Anthony Disward inherits an old mansion and a personal library from his grandfather. In the basement of the mansion, he meets a mysterious girl, Dalian. She is a Dantalian and a gateway to "Dantalian's bookshelf", which stores the prohibited books of the demons. "Gensho (Illusory Books)", the prohibited books, endanger the balance of the world, but people are fascinated by the taboo. Hugh and Dalian solve the cases involving Gensho with their ability to access the Dantalian bookshelf.

Official synopsis from AniList.