While heading home, compassionate high‑schooler Akira Masaki is transported to a realm teeming with sorcery. Those who command it are known as wizards, and some are selected each year to confront the Great Calamity. Though once manageable, this disaster has grown so fierce it now claims countless lives.
Amid the turmoil, the Great Sage can steer the chosen wizards in battling the Great Calamity—a duty now entrusted to Akira. Though she longs to return, she chooses to remain with the surviving wizards and aid them in locating new allies spread across five nations. Akira must now persuade them to unite with the mission and lead the team against the looming threat in the face of relentless darkness, their courage is tested, yet hope persists. Together they forge a bond that strengthens their resolve today.