Vampir Lord: Erotic RPG - Chapter 193 72: Old Man Morning Star?

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates

The world is terrorized by the powerful Black Witch who has been sealed in the moon. Every ten years, the night of Hexennacht arrives and a chosen witch must battle the Black Witch in hopes of finally defeating her.

As the current decade’s Hexennacht approaches, a mysterious girl named Kagami Kagami arrives and meets Horinouchi Mitsuru, the daughter of the previous Hexennacht representative.

It takes place between Kyoukai Senjou no Horizon and the City Series, two other series by the author.

Devil clan gained the ground and human beings were at the great risk of being wiped out. At this critical moment, six temples led the human race to guard their last land. A young man joined Knight Temple in order to save his mother and he has to go through all those traps and miracles on this tough journey. In a world where human’s six temples fought against devil clan’s 72 devil pillars, would he finally make it to the sealed divine throne?

Transmigrating only to end up in the body of a notorious and blacklisted dated movie queen?Accused of bribery, plastic surgery, being a mistress and diva, and even having sex for favors?The number one spoiled and domineering queen returns with a vengeance! To kick out the movie kings and queens and to dominate the entertainment industry!Nothing will stand in the way of the empress to get rid of that bastard emperor—not even transmigration!But…F*ck! What the hell?That darn husband of hers is the spitting image of that bastard emperor…