Gedou gakuen

During an archeological expedition to a forbidden Himalayan temple, 19-year-old Masao Sera stumbled upon a bloody, sacrificial rite designed to throw open the Gates of Hell. Meanwhile, a dark force has descend upon Masao's college. Fights, gang violence and rape are the order of the day. But now, some of the gangs have started to develop supernatural powers and unholy appetites. (animenewsnetwork)