The Mystic Archives of Dantalian

The Mystic Archives of Dantalian (Japanese: ダンタリアンの書架, Dantalian no Shoka), also known as Bibliotheca Mystica de Dantalian, is a Japanese light novel series written by Gakuto Mikumo and illustrated by G-Yuusuke. Set in post-World War I England, the story follows Hugh Anthony Disward (also known as Huey), who inherits his grandfather's mansion and vast book collection, becoming the key-keeper of the "Dantalian's Bookshelf." He encounters Dalian, a mysterious girl who serves as the gateway to a library containing forbidden knowledge stored in magical "Phantom Books." Together, Huey and Dalian investigate and resolve incidents caused by the misuse of these Phantom Books, uncovering secrets along the way. The series blends fantasy, mystery, gothic, and adventure elements, gaining popularity for its unique setting and engaging plot. The series has also been adapted into manga, anime, and other forms, attracting a wide audience.