Eiyū Kyōshitsu

Classroom for Heroes (英雄教室 Eiyū Kyōshitsu) is a Japanese manga written by Shin Araki and illustrated by Minakuchi Takashi based off an original light novel by the same name. It has 2 volumes divided into 5 chapters as of far, the first being released in January 23rd, 2015.

Plot
A long time ago, there existed a Demon Lord who terrorized throughout the world, that was until a Hero stepped up to the stage and challenged the Demon Lord, ultimately defeating him and ending his reign. The Hero then created Rosewood Academy, an academy made to help heroes-in-training achieve supremacy and help defend the world when needed that enrolls only the best of the best.

Enter Arnest Flaming, a girl with a high sense of duty and the top student at the academy, receiving hence the alias Empress of Flames (炎の皇后 Honō no Kōgō?) who one day encounters the lively, carefree new transfer student Blade, a boy who seems to equal her in power, something that she finds really irritating. Arnest was then personally requested by The King to supervise, and show Blade around the academy during his stay.

The story follows the students' struggles in their quest to become heroes.

Style
Classroom For Heroes's art style is very complicated, it follows the typical Seinen manga art style however, Araki chose a more cartoon-ish design for the characters expressions.

Mythology
The manga features many aspects that seem to have mythical inspiration, such as the name Asmodeus is taken directly from the mythical King of demons Asmodeus in many books.

The name Leonard is also a demon or spirit in the Dictionnaire Infernal book.

Trivia

 * Classroom for Heroes is Araki Shin's first serialized manga.