The Reborn Otaku's Code of Practice for the Apocalypse - Chapter 10

Being given a chance and reincarnated is nice and all, yet why do I have to become that male friend who just watches the protagonist flirting with his harem?---World: Kaguya-sama: Love Is War - Hyouka ----

The original novel for the short drama 'A Promise of a Joyful Life,' now available.Five years ago, she was forced by her family to take the fall and was imprisoned, even giving birth to twin boys in jail.Five years later, she marries a dying man in a coma to ward off bad luck. Everyone thought Eliza Sutton was finished, but who knew that Eliza Sutton would transform into a big shot with multiple identities.Shane Lockwood cornered her against the wall: “Mrs. Lockwood, are you having fun playing with me?”Eliza Sutton reluctantly replied, “It's alright, I guess.”Shane Lockwood took Eliza Sutton's hand: “It seems Mrs. Lockwood doesn't think I'm trying hard enough. Tonight, I'll make you even happier.”

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.

- Description from Novelupdates

He was once a kind boy — loyal to family, faithful to love, and full of hope.But kindness means nothing in a world that spits on your loyalty.Roman died betrayed.His stepbrother beat him.His girlfriend cheated.His family used him like a slave — and when the world ended, they threw him to the undead.But death wasn’t the end.Roman was reborn — weeks before the apocalypse that would erase humanity.And this time?No more mercy. No more weakness.This time, Roman builds his empire in the shadows, manipulates nations, steals resources before the collapse, and creates a stronghold while the world sleeps peacefully — blind to the hell that’s coming.> What?! A supermarket in New York is completely wiped out overnight!Japan’s largest food storage warehouse was found empty — zero inventory, massive losses.Similar cases in South Korea and Australia? No trace, no witnesses. Just... gone.One man is preparing.One man is rising.Roman.But just when he thinks he's the only one pulling the strings in the dark...Others begin to move.Reincarnated. Ruthless. Just like him.The game is no longer survival.It's domination.In this new world, only one king can rule from the shadows.And Roman will burn the world before he kneels.