Seven Sins, Three Semesters
They say Hell is a realm of fire and brimstone, inhabited by evil demons and terrible monsters. They were only half-right.
The Brimstone Institute of Demonics is an ancient school dating back to before the Middle Ages. For hundreds of years, it has educated the seven races of demons to become Hell's best and brightest. Headed by Mistress Viola Terna, it is said to be one of the highest ranking schools of all time, boasting discipline, respect and intelligence from its students.
Then, the school receives a new teacher. A teacher with a lot to live up to. A teacher plagued by a variety of medical conditions. A teacher with a heart of gold and a non-existent sense of self-preservation.
Despite that, however, he is eager. His goal is to educate the budding minds of Hell's future.
It's too bad that Hell's future seems more interested in him than what he has to teach...