This is the story of a man who was reincarnated into a different world (Not a medieval fantasy). He was reborn into a world of swords and sorcery and was taken in by an old man who was training in the mountains. The protagonist found joy in mastering the art of the sword and ended up spending over a decade secluded in the mountains. After the old man passed away, Yukito, who was now alone, made the decision to descend the mountain. However, he came to realize that in fact, there were cars and cell phones, and the civilization was at a modern level. Even though it was a world with both swords and sorcery there were no Demon Lords or Heroes. Having modern knowledge as a cheat? What is that? “Wait, this isn’t quite like the isekai reincarnation I had in mind!” He still didn’t know that the old man who trained him in the mountains was, in fact, the legendary Sword Saint, known as the world’s strongest. And no matter how advanced civilization had become, this was a world where swords and magic existed.