Saishoukan sareta Yuusha wa Ippanjin Toshite Ikiteiku?

A junior high student named Souta Konoe was summoned to a different world, where he became a hero and brought peace by defeating the demon king. During the battle, he was sent back to Earth using repatriation magic, which left his memories of the final fight unclear. Years later, he continued training in martial arts, honoring his promise to his former comrades. As a high school student, he was unexpectedly summoned again, this time by a classmate, to the same world he had known—but now a thousand years later. Confused by his fragmented memories, Souta decides to embark on a new journey to uncover the truth behind his past and the world's changes.