The Front of the DVD Box has a slash in it.
Present-day Japan. There has been a rise in the number of Witches around the world. These so-called witches possess supernatural abilities and pose a threat to the rest of humanity. The STN, a shadowy international organization, and its Japanese branch, the STNJ, bombat the witches with a blend of technology, forensic science, and super-powered team members of their own.