MTL - Beauty and the Bodyguard - Chapter 10642

Long Fei, a cross-timer and doujin, is an otaku who traveled to another world. In the original world, he was an otaku fan of Gundam and military science fiction.

He died in an accident and was reincarnated into another world. The Gundam works he had read before his death and the techniques in various military novels could be brought to another world.

How would he use the Gundam that Long Fei created? What waves can be caused in this different world?

- Description from novelbuddy

In a dark space secluded from the rest of the known galaxy, a young man wakes up in a struggle for his life.During his coming of age ritual, it was revealed that he possessed the heavy soul body, A talent that could potentially rival even the gods. Joy overtook his entire household as they prepared for the eventual rise of their clan.But on that same day, the Hand of judgement fell upon them extinguishing all traces of life on their planet leaving it as a dead world…As for him? Fate had other plans. Cast into the darkest and most secluded place in the known universe, The sanctuary, he is faced with a decision, become stronger and survive or wallow in misery and Die![You have Awakened ][ Hidden Class Unlocked : SSS Soul King— Supremacy over all Souls and soul kin ][ Innate Skill unlocked: Heavy soul brilliance— In the following 20 seconds host will become effectively Unkillable]-—WSA Entry-—

The Empress who dies in torture, An Rushuang is her name. After she wakes up, she finds herself has time-travelled to when she was twelve years old, but she would turn into Major General’s white horse at night. He is a general who orders about the winds and clouds on the battlefield, and she is a little girl lives in her boudoir seclusively.
She endeavors to change her fate, and he spared no effort to win every battle. They meet each other every day, well, it’s night to be accurate. Is that a dream or not? She pleads to marry the seignior to win peace for her family, only to find he is the one she is going to marry.
“Growing old with you under the same roof is my long-cherished wish”, thought them both.

- Description from Novelupdates