Seiichi e suas amigas vão para a Academia de Magia Barbador para que ele se torne um professor! Apesar da insegurança, ele quer dar tudo de si para cumprir seu dever!

Seiichi precisa ser um professor, mas, antes, ele deve conhecer melhor seus alunos, que além de demonstrarem personalidades únicas, são considerados problemáticos.

Ao entender o problema de seus novos alunos, Seiichi quer ajudá-los, de alguma forma, a conseguir usar magia e afastar a má fama da Turma F.

Seiichi is finally reunited with his childhood friend, Kannazuki Karen, and they talk about Seiichi's childhood and his bullying until Oliga notices the Enslavement Bracelet around Kannazuki's wrist.

Seiichi spends time training F-class for the upcoming class competition, but when the day finally arrives, Seiichi is nowhere to be found, leaving F-class to defend the academy from the apostles of the Great Devil Order!

With the students of F-class defeated, their beautiful teacher, Beatrice, rises up to protect them and fight the apostles assailing the academy.

Seiichi and Airi are sent to the world of the dead by Demioros' Deliverance and have to search for the Gate of the Living and overcome its trials in order to return to life.

While Seiichi is away from the Academy in Wimberg Kingdom, Gempel the Doppelganger casts off his disguise as Airi and attacks each of Seiichi's allies in different guises.

Vitor and Guscle go on a wild goose chase investigating the murder of a man who wasn't killed before Vitor reveals his true identity and their newly forged bonds are tested in an all-out brawl of macho proportions.

Barnabus reveals the truth behind the Fruit of Evolution, the Great Devil, and the creation of this world, but before Seiichi and his party can process it, Destra attacks and the final battle begins.

Seiichi and Destra are locked in their final battle and Saria risks her life to save Seiichi when he's at his weakest, but can Seiichi and Saria truly survive this battle?!