Beauty and the Bodyguard - Chapter 10875 - 10864: The Great Battle!

Alice is a 28-year-old software developer. She makes money, donates to charities, and even gives food to the homeless.But, in truth, she could not be sadder.She has no friends and she and her family have been estranged ever since she came out of the closet to them. She tries to distract herself from her problems, right up until she suddenly dies.It is not the end, though. Alice is asked to make 3 wishes, 3 things she'd wish for if she were to be reborn.Alice wishes for as many lovers as possible, a role in the world that means something, and a family that embraces her.Just like that, Alice awakens in another world as Melisa Blackflame, the firstborn daughter of a family of succubi. She decides to try to live life to its fullest here, vowing that, above all else, she will live a meaningful life and, finally, FINALLY, find love!What she doesn't know, however, is that she's about to find more of that than she can handle.

Bai Xunyin was inadvertently traumatized by stress during the year she graduated from Middle School. She became a “little mute” who couldn’t speak. In her first year of high school, she spent her days listening to the cynicism and discriminatory bullying of people around her until her second year of high school. Bai Xunyin met Yu Luoyin. He was clear, elegant, with straight eyebrows and star like eyes. He was the most handsome boy in school, and was the dream boyfriend of all girls in school. But for Bai Xunyin, Yu Luoyin was the first to protect her, smile at her, discuss topics with her, and the person who had lunch with her. The onset of her crush was turbulent and confusing in her teenage years.

“If I don’t die… I swear I will act on all my evil thoughts..”

Not exactly everyone’s typical thought when they’re about to die. What will a cowardly young man do when reincarnated with the evil powers to redefine his destiny? Can the natural kindness of human nature triumph over evil? Will he become the cold-blooded demon king of legend, or will he forge his own path and rain down another kind of terror?

- Description from novelupdates

The world was once at war with 10 alternate worlds. This was known as the Concept War and our world won 60 years ago. All of this was concealed so no normal people are aware of this fact in the current time.

After the death of his grandfather, the high-school student Sayama Mikoto is suddenly summoned by the giant corporation IAI. He learns this world is headed for destruction due to the acceleration of the Minus Concepts. To prevent this, negotiations must be undertaken with the survivors of the other parallel worlds so their 10 concepts can be released.

And so Sayama is caught up in the final battle to clean up after the Concept War which left behind so much enmity.