Tenka Hundred Swords

is a Japanese game and multimedia franchise developed by Dengeki G’s Magazine and DeNa. A short anime series titled by Studio LIDENFILMS aired from October 13, 2019 to December 29, 2019 for 12 episodes.

Plot
In the fictional "Meiji (銘治)" era, the story focuses centers around the "Mitsurugi", maidens who are physical incarnations of ancient katanas. They have pledged to live peaceful lives after the era of warfare, but are now returning to battle to fight a new foe that has arisen during an alternate version of the Meiji Era, three hundred years after the Battle of Sekigahara.