Gedou Gakuen Episode 1

It began with a bloody sacrificial rite designed to throw open the Gates of Hell. Dark forces descend upon 19-year-old Masao’s college, and gang violence and rape are the order of the day. Soon, demonic entities battle in a conflict that threatens to become global Armageddon! Can Masao save his campus, with the King of the Underworld bound to his mortal soul?