Devil's Son-in-Law - Chapter 1100: Blitz

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

Qin Chuan arrived in a parallel world and got bound to a system.

The earth has entered the era of aura recovery, and human beings have started their supernatural awakening!

In the bustling fantasy city of Two Ex-Adventurers, Dord, Orth, and Sirre Willow struggle to keep their humble inn afloat. On the surface, Orth and Sirre appear to be the perfect couple, but deep within Orth’s heart lies a secret desire—a cuckold fantasy he has never dared to share. When a mysterious traveler offers to pay for a night with Sirre, it stirs a whirlwind of emotions in Orth. He sees an opportunity to confront his hidden longing and solve their financial troubles in one move. But how will Sirre, who would go to any length to keep Orth devoted to her, respond to such a twisted proposal?This is a netorase story about a loving couple.Clingy Lover Doting Love Interests Magic Male Protagonist Masochistic Characters Netorare Netorase Obsessive Love Prostitutes Yandere