Comprehensive Martial Arts: The Heir to the Joyful Union Sect? Heroines, Spare Me!

After transmigrating into a world of mixed martial arts, I find no military strategies in the Dragon-Slaying Saber or the Heaven-Reliant Sword, only a manual of martial arts and a photo of me.

The first line of the manual says: To practice this art, you must find a human furnace.

And that human furnace is me.

P.S. The title, synopsis, and cover have all been reset. I won't introduce the characters either, so just read the story~ Bosses, I recommend adding it to your bookshelf now, so you don't lose track of it~^_^