英雄教室 (Series) favorite_border

Volume 1 Introduction: Braid, a former hero boy who lost his heroic powers when he was defeated by the Demon King, finally gets the normal life he longed for. He thought he would finally get his wish and have a normal life... but he is transferred to an elite academy that trains !　Of course, his surroundings are excellent. But Blade, a former hero, is an out-of-this-world "super creature" who is far beyond "superior"...?　What is normal?　A school fantasy about a former brave who is too out ...