"A class for heroes" — the new trailer dated for the final of an anime

At a television anime "The class for heroes" (Eiyuu Kyoushitsu) appeared a new and final trailer. After the mighty hero won against the master of demons, the world set in. New heroes who will have to defend the peace from possible future threats, I train in special academy. Once in it there is a friendly newcomer by the name of the Blade which wants...