100 Years after the death of satan by the hands of Rin Okumura, the school rebuilt itself from the ground up. It is no longer ruled by the Vatican, it is now ruled by the Grand Pope. The humans and the demons have come to an understanding and have been following the Paix treaty established between the new lord of hell and Rin Okumura.
In current times however, that treaty has begun to shatter as renegade humans who are against the treaty have begun to attack the Gehenna gates outside of the academy. This has angered the Demon King and he destroyed the treaty. He was then betrayed by his own followers, the Purgatory Sins. Hell is now ruled by Pride and his followers rule sections of hell. It is up to the current generation to step up, stay in school, but along with that, kill demons that threaten the human race! Do you have what it takes to do that? Do your homework, and then kill demons?
