Written by , the series is a comedic "reverse isekai" that follows a hero who failed to defeat the Demon King and is reincarnated in modern Japan. Series Overview
: The protagonist, a legendary hero named August , is annihilated along with his party during a battle against the Demon King. He is reincarnated in modern Japan as a boy named Isami , eventually regaining his memories of his past life as a child. Sensing that the Demon King is also plotting a return, Isami enters high school and establishes a "Hero Club" to find his former comrades and prepare for a future battle—all while trying to navigate the mundane rules of a typical Japanese school. Written by , the series is a comedic
勇者は校則違反になりますか？ 第1話 - マンガワン Sensing that the Demon King is also plotting
The text you provided is a search string for the first chapter of the manga (Yuusha wa Kousoku Ihan ni Narimasu ka?), which translates to "Is being a Hero a School Rule Violation?" or "Will the Hero Violate School Rules?" . a legendary hero named August