A Hero who was summoned to a different world and led the world to peace “Souta Konoe” at that time was a third year junior high school student.

However, at the moment of subjugation of the demon king, he was subjected to repatriation magic, he was returned to the earth without knowing anything.
He lost his memories when he was repatriated, and the memory of the fight with the demon king was also ambiguous.

I will not forget the promise of training with my comrades who taught me how to fight, I will train martial arts.
He was a senior high school student, and his head was troubled by his career.

However, he will be caught up in his classmate hero summon and summoned to another world again … but it was a thousand years later