S1·E14 FILE 6: A Prohibited Game #1

The highly publicised Ryokuryou High School is brought to the SPR's attention when students report a series of terrifying events, including a ghostly dog attacking them. The SPR gathers information with the help of the school valedictorian, Yasuhara, and learn the incidents began after Sakauchi, a first year student, committed suicide. During the installation of cameras around the school, Mai encounters Sakauchi's ghost.