The Swordsman Called the Countless Swords Sorcerer

Alternate Name: 
Senken no Majutsushi to Yobareta Kenshi Мечник, прозванный Магом Бесчисленных Мечей 千剣の魔術師と呼ばれた剣士 被称为千剑魔术师的剑士 被稱為千劍魔術師的劍士 천검의 마술사라 불린 검사
Takamitsu Akira
Kurosu Ema
Japanese Manga

The Swordsman Called the Countless Swords Sorcerer summary:
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.