Majutsushi Orphen Hagure Tabi: Pre-hen

Childman's class is comprised of the most promising students at the Tower. Problem is, they're a band of misfits that seem intent on blowing up the very institution they're attending! But they'd best watch out; danger lurks in more than one corner here.

(Source: J-Novel Club)

Majutsushi Orphen Hagure Tabi: Pre-hen compiles side stories from the Majutsushi Orphen: Mubou-hen volumes.