Kujibiki Tokushou: Musou Hāremu ken - Chapter 6

“There are always people who want to be evil!”

“The end of the world is coming soon, I must survive!”

Shen Cong, a patient of paranoia, saw other people’s opinions on the Internet about the end of the world in 2022, and immediately believed.

After which, He didn’t go out of his home, stayed and built his own doomsday vehicle, honed his ability to survive. Until one day, Doomsday actually came.

- Description from Novelupdates

I’ve reincarnated as the reverse harem game’s villainess, the one and only step-daughter of the Eckart duke family.

Damien reveals an ugly truth.His sister and only family, Ahara, leaves the house every midnight whilst he's asleep—a time that he soon discovers is when man-eating beasts named Rouges start hunting for prey.Unable to question her directly, he decides to investigate her and quickly figures that Ahara isn't human but rather, a vampire hero who saves them from beings like herself coming from a world she calls Gibbous—a place where entities like vampires, wizards, and beast shifters alike reside. What’s more, he also learns that the real reason behind his parents' death was the leader of the Rogues, who's rumored to have escaped after Damien’s father almost killed him.A series of fateful events lead to Damien’s long-lost power reawakening in him, and he finds himself with no choice but to return to Gibbous, a strange world where power means survival, and weakness leads to death. As such, Damien enrolls in an academy to train his newfound abilities with one thing in mind...Becoming more powerful.However, he soon discovers that the path to power is one filled with troubles and pain, and he isn’t alone in this lust for more at the academy. It’s a bloody competition against time and formidable opponents, and only those willing to sacrifice their comfort are the ones who can attain it.With a deadly foe lurking in the shadows somewhere and a strong desire to protect his sister, Damein has no choice but to fight.The only way is up, and he is going to be standing at the top of them all, ready to counter any enemy.

David became a pioneer in the Tiran Kingdom and acquired his own territory, becoming a village chief under the kingdom’s rule.

Although his land was located in a somewhat remote and harsh environment where crops were difficult to grow, and the village was only inhabited by him, David believed these difficulties could be overcome.

David declared, “My territory is open to all realms and dimensions. I won’t go looking for you; you come to me!”

- Description from Novelupdates