The General's Darling Is Delicate - Chapter 382 - 245: She Died with Unavenged Grievance

After the death of his parents, Adam Hall was forced to enlist in the army to fight against enemy kingdoms.He later joined the crown prince's army as a commander.Until he became one of the ten strongest people on the continent.He started a war to avenge his fallen family, but failed and lost his life.Just when he thought it was all over...“What? Am I alive?”He found himself young again, with his memories intact.Armed with his knowledge of the future and a plan, Adam set out on his journey to make amends for his regrets and change everything.

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

One day every human on the world suddenly receives a mail claiming to enact the World Salvation Project. Half in doubt Kurosaki Shion, a diligent university student and loner, follows the mail’s instructions, becoming one of a million Demon Kings governing his very own Domain in the new world.

*** This is a post-apocalyptic story containing many fantasy elements. It is a somewhat dark tale following Shion as he grows while aiming for the unification of the all too sudden new world. It has many game-elements bolstered by strategical thinking while at the same time providing funny moments and romantic encounters.

Father: “Qianqian, he may be a quadriplegic but as long as you agree to marry him, our company will be saved!”