A man who died in a traffic accident was reincarnated as Silva Pierce in the world of the popular RPG "Echoes of Eternity," which he had played extensively in his previous life. Silva, the Kingdom's strongest knight with Cheat-level Status, is a superb Character to be reincarnated as. However, he was also a Character destined to die protecting the protagonists at the end of Chapter One... The Death Event is unavoidable; if he abandons his comrades and flees, the world will be destroyed and it's Game Over! Silva, determined to defy his own destiny of dying, begins his conquest using the shortest Route by leveraging his Game knowledge――. Will Silva be able to overcome the Death Event and survive!? The indomitable strongest Sub-character reincarnation Fantasy begins――!!