12 titles recommended if you like CLASSROOM FOR HEROES
The Irregular at Magic High School
The Demon Sword Master of Excalibur Academy
Vermeil in Gold
Wise Man's Grandchild
The Misfit of Demon King Academy
Chivalry of a Failed Knight
The Dawn of the Witch
Trinity Seven
Aesthetica of a Rogue Hero
The Greatest Demon Lord Is Reborn as a Typical Nobody
The Testament of Sister New Devil
To Love Ru