I, the Great Virtuous Man, the Heir of the Holy Blade

What should I do if I live in a world where monsters are everywhere at night? Don't be afraid, when you are in danger, there will be cute and beautiful magic girls to save you. Looking at the magical girls fighting dark monsters in front of them. Li Jinmin looked down at the omniscient and omnipotent book in his hand again. A very kind smile appeared on the corner of his mouth. Gentlemen, I have a bold idea. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.