To the empire, Prince Arnold is one big joke, a completely inept prince outshone by his more talented twin, Leonard. But in secret, Arnold operates as Silver, one of only five magic-wielding SS-rank adventurers on the continent. As the bloody battle for the throne intensifies after the crown prince’s death, Arnold pulls the strings from the shadows to crown his twin emperor to his own advantage.

After a fatal accident, overworked office worker Arihito Atobe is reborn in the Labyrinth Country as a Seeker with the rare Rearguard class—an all-purpose support role that excels in attack, defense, and healing. Joined by a fierce demi-human mercenary and his former boss, Arihito dives into deadly dungeons and rises through the ranks. The adventure of the strongest support class begins!