Date A Live, Vol. 7 (light novel)

Things are looking grim. The entire city of Tengu City has been enthralledby a spirit.
Worse, Tohka has fallen into the clutches of DEM. When Shidofeels trapped by this
seemingly hopeless dilemma, the sinister KurumiTokisaki appears before him with the
worst possible timing...and offers tohelp rescue Tohka?!