Sword Magic, where a sword is manipulated using magic to freely fly in the air, cutting down enemies.
Ardis is a user of this new magic art that has never been seen before throughout the entirety of the history of magic.
As a mercenary, he undertakes various requests in return for remuneration,
including subjugations, escorts and investigations.
On the way home from a survey request,
he protects a pair of twin girls who survived their caravan being attacked by bandits,
however in this world twins are considered “abominations”.
Along with the twins and a girl who accompanies him as a follower,
he holds back his anger at the world which looks coldly at the twin girls due to the goddess’ intervention.
This is the story of such a swordsman called the countless swords sorcerer.