Sorata Sasukiba has no aptitude for magic, but is a genius swordsman that inherited one of the most powerful swords from his father. The story begins when he enrolls in Enbu Academy, one of the most prestigious magic schools that specializes in combating a mysterious "anti-magic" organization that wreaks havoc throughout the world. There, he meets Felicia who is the number one magician and the leader of the Seven-Star Knights. This meeting would cause drastic changes the fate of the world. A new legend begins as the strongest swordsman is joined by seven magicians.

"Magic." A sacred mystery usable only by those chosen. One day, a child from the slums named Arus finds he has the power to use magic. A sorcerer by the name of Genos Willzard learns of his talent and raises him, turning him into the greatest of assassins. One day, Genos gives him an order: To enroll at the Magic Academy...!?

Yuri was the hero who saved the world, being called “Demon Emperor” in his first reincarnation and “Sword Saint” in his second reincarnation. However, before he knew it, he was considered a “monster” and was shunned by people. Yuri finally gets fed up and decides to live 100% for himself next time. He reincarnates into the future and is immediately attacked by monsters. As he defends himself, Yuri acquires the skills of his previous lives and quickly annihilates his enemies. Eventually, Yuri arrives at the adventurers guild and decides to start his life as an F-rank novice adventurer while hiding his true strength. A different world fantasy of a man who has mastered both magic and swordsmanship begins!!