Last Savior

In the year 2140, humanity teeters on the brink of extinction. The devastating Aions, the greatest enemy the world has ever known, have brought about a catastrophic decline in the global population, leaving the remnants of society on the edge of collapse. Amidst this desolate landscape, Nanagi Ryouga, a young man from a peaceful world in 2015, finds himself inexplicably transported to this desolate future. Shaken by the harsh realities of this new world, Ryouga resolves to find a glimmer of hope in his own fate and the future of humanity. Armed with a radiant sword, he prepares to embark on a perilous journey, driven by a newfound determination.