: In a world reshaped by the cataclysmic Reiki Recovery Era, where humanity struggles against mutated monsters and the remnants of a shattered civilization, one young warrior's journey of rebirth and redemption unfolds.  Liang Wei, a reincarnated soul from Earth, finds himself thrust into the midst of the tumultuous Reiki Realms, where the Five Great Continents stand as the last bastions of humanity. Haunted by memories of his past life and driven by a sense of purpose, Liang embarks on a quest to discover his place in this new world. As he navigates the dangers of the Recovery Era, Liang encounters allies and adversaries alike, each with their own secrets and ambitions. Along the way, he unlocks the power of the Sign-in System, an enigmatic artifact that grants him abilities beyond imagination.