Saikyou no Maou ni Kitaerareta Yuusha, Isekai Kikansha-tachi no Gakuen de Musou Suru

A boy named Kyouya Kujou failed to save his world because he lacked a special skill granted by a goddess. At an academy for heroes who had succeeded in saving multiple worlds, he was mocked as a "failed hero." After spending 30,000 years training in another world under the demon king Felice, who had destroyed 3,000 worlds, Kyouya developed an extremely powerful unique skill. Now, he is stronger than any other hero and cannot be defeated by them. His story, of becoming a legendary hero through training with the most dangerous ruler, begins.

Traduzione in corso — testo originale in inglese.