A Mastermind? No, I'm just the Live-In Son-in-Law - Chapter 55: Death Game

Death is sometimes not the end!
Dead prison!
This is a magical prison. It has the ability to draw the souls of the dead people of the world, and it also enables people to gain the ability of the souls of the dead.
When Qin Song woke up, he was shocked to find that he had come to the world of One Piece, and even more surprised that he found a prison in his body…..

- Description from Uukanshu

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?

Modern woman transmigrated to an ancient society which is a female deity. Not to mention farming, she can’t even grow flowers! In the end, to live, she can only work hard to ”women should be self-reliant”!

- Description from Novelupdates

This was a fragmented and disorganized world, this was a place that had been forgotten.