Upon his father's death, Salem inherits a mansion as well as an unfinished battle with creatures from another world, which requires him to seek the help of his guardian familiar and the colorful performers of Dr. Kinoshita's Circus of Unearthly Delights.

Nate and his family moved to a new town and Nate discovers a tape recorder under the floor board, which leads to a mystery of the lost boy.

Medusa plots to beat DWMA and her sister, Arachne, in the race for Eibon's demon tools, and Maka, Black Star, and Kid step up their training with their weapons.

The fact that Kengo, Aya and many other ordinary people are gaining the ability to see shins proves that the serious disruption between the worlds is getting worse. And now a serial killer is on the loose! As Shirogane and Akira pursue him, they not only discover that he may be a shin, but also that a sinister power from the shadow world is about to make its move.

"Hiyori knows Koto's real identity, and she's determined not to let him mess with her anymore..." (Cover)