The Empress's No.1 Lackey - Chapter 70 - 67, Three Qi Zhao Douan

Chen Feng looked cautious in the awakening room, lest he had no martial spirit, but was detected to have nine martial spirits, and the audience was in an uproar.

Everyone thought that his martial spirits were ordinary, but they didn’t know that Chen Feng’s nine martial arts were not ordinary plants, but nine divine trees that were unique in the ancient times, and each of them possessed incredible power!

Such a divine tree, as long as one, is enough to step into the peak of the human race, and he has nine!

- Description from novelbuddy

This is a prequel to the anime movie To Aru Majutsu no Kinsho Mokuroku – Endymion no Kiseki.

Just before the completion of the Academy City space elevator “Endymion”, the main characters Kamijou Touma and Index encounter a level 0 girl named Arisa. The Magicians are after Arisa, and they attack Academy City. A female leader named Shattoaura leads a unit from Academy City against the attack. Kamijou and Index learn from Stiyl that Arisa is key to a brewing war between the sides of Magic and Science. When science and magic cross paths, the story begins with Endymion as its stage!

He approached her and announced domineeringly, “Ten million, you're mine!” Little did he know that she would smash his head and flee in panic! Five years later, for the sake of her young son, she endured humiliation and became his wife, always on guard around him, “Get out, what are you doing coming in?” His handsome face darkened, “Woman, you couldn't have forgotten that we are husband and wife, could you?”

On the brink of destruction, I regained consciousness and found myself back in the past, 20 years ago. In order to have a peaceful retirement, I must prevent the impending doom.