After an empty life in Japan, Yuri Ho is reborn in another world where he finds new motivation to live, raising birds in the countryside with his loving parents. But war looms in a neighboring kingdom, threatening his peaceful existence.

A thousand years ago the infamous knight, Sid Blitze, was slain by the holy king, Arthur. Now, Arthur’s descendant, Alvin, has awakened Sid from his eternal slumber and asks him to become an instructor at his academy for magical knights!