As a Witch, I Embark on the Road to Salvation

The soul that traveled from another world came to Blue Star, and was incompatible with the world where the magical girl was fighting against the abyss. Luo Mengze thought that his life was just like his previous life, but a mysterious book came with him, which brought huge changes to Luo Mengze's life. He realized that the world was constantly being eroded by the abyss, bringing endless disasters to mankind. Finally, with the help of the mysterious book, he embarked on the road to salvation. Of course, I also paid a price, such as being corrupted by the abyss and turning into a witch...