Fate/Grand Order -Epic of Remnant- Pseudo-Singularity III: The Stage of Carnage, Shimousa - Seven Duels of Swordmasters

In a world where history's greatest heroes can be summoned to fight for humanity's future, a new and perilous singularity threatens to unravel reality itself. Our protagonist, a Master from Chaldea, is thrust into a distorted Edo-period Japan, a land twisted beyond recognition and plagued by an ominous darkness. Here, ancient legends clash with monstrous new threats, and the very fabric of time is in jeopardy. As the Master navigates this treacherous landscape, they must confront seven formidable swordmasters, each with their own enigmatic past and deadly skills. These aren't just battles for survival; they are duels that will determine the fate of an entire era. Can they uncover the truth behind this pseudo-singularity and restore order before history is irrevocably rewritten?

✦ AI-drafted summary