Koko wa Ore ni Makasete Saki ni Ike to Itte kara 10-nen ga Tattara Densetsu ni Natteita.

Ten years ago, a lone hero stood against the encroaching demon horde, buying precious time for his companions to escape. He expected to die, a noble sacrifice in a war-torn land. Instead, he simply… lived. Now, with the world believing him a legend long past, he finds himself in a drastically changed landscape, a powerful but unassuming figure in a realm that has moved on. Follow our protagonist as he navigates this new reality, still possessing the formidable magic that saved him, but now out of step with the legends woven around his name. This is a delightful adventure brimming with action and comedic misunderstandings, as an almighty hero grapples with the quiet aftermath of a grand sacrifice he never actually made.

✦ AI-drafted summary