MTL - 70s: Dressed As a Villain’s Wife - Chapter 17 Departure and sacrifice.

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

When necromancers perform a great ritual to summon an undead servant, they bring a powerful vampire into their world. And now, their fate is sealed as food, but for Klaus, this is just the beginning of his adventure. In a cruel world where people will do anything for power and immortality, he is already very strong and immortal, so what's left if not start a family and have fun stepping on arrogant people through the way?

I, who should have died after being hit by a car, was born again in another world.

You think too much, cultivation is not like this…

When Kong Hou steps on the path to cultivation, she learns that all xianxia stories are full of lies.

A relaxed cultivation story.

Kong Hou: a traditional musical instrument like a harp. The female protagonist’s name.

- Description from novelupdates