My Grimoire Is a Little Strange

In a continent full of magic, isn't it a sin to not know magic? Does not being able to use magic deserve death? In the world of Black Clover*, Qiyuan Gin, who possesses huge magical power but cannot use magic, lives step by step with difficulty with hatred for the world. However, after awakening from his strange magic book with spiral patterns, memories that seem to belong to him slowly appear! It turns out that I am a time traveler! And it came here as early as five hundred years ago! Now that I have successfully overcome the curse of the Devil Fruit, no one can destroy me! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.