Senken no Majutsushi to Yobareta Kenshi  

In this magical realm, there's a new art known as Sword Magic that allows users to manipulate swords in mid-air with magic. Ardis, an experienced mercenary, has mastered this technique and takes on various assignments for payment, including subjugations, escorts, and investigations. While returning from a mission, he encounters twin girls whose caravan was attacked by bandits. Despite the fact that twins are considered "abominations" in this world due to divine intervention, Ardis protects them. He is accompanied by a girl who follows him as well as the two sisters. Ardis struggles with his anger towards the society's cold treatment of twin girls but manages to keep it under control for the sake of those he cares about. This tale revolves around the life of an accomplished swordsman known as the Countless Swords Sorcerer.

Senken no Majutsushi to Yobareta Kenshi began as a web novel on Shousetsuka ni Narou on November 5, 2016. Kadokawa has released a revised and illustrated version of the series since December 1, 2017 under its Kadokawa Sneaker Bunko label.