Star Eater - Chapter 569 -

A man was transported to Ancient China and eventually became a servant of a declining household without a male heir. He utilized his wits and modern knowledge to help the household and eventually become trapped in the sea of political turmoils of the period.

- Description from Novelupdates

The magical girl who made the wish of “destruction of this world” came to Ke Xue’s world, and Kewpie became a little Kewpie.

Being chased by someone holding a knife at the beginning, Shuangyue fell silent.
In a world without witches, how would she purify her soul gem?

Originally, he just wanted to be a good and hard-working employee in the winery, but the old man always liked the whole brainwashing operation. Suppressed by the world consciousness, for her own pure land, Shuangyue decided to go to his red square and black square, she would smash the dog world consciousness.

The protagonist is not a good person (highlighted), the three views have been distorted in the magic circle world, not a red square.

Little Cupid: You are my magical girl, and I am your Cupid.
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Rescuing Matsuda Cat and Jingguang Cat, the protagonists directly built a gray empire for Jin Jiu and Sister Bei.
Hagihara and the squad leader are still dead, because the protagonist was not there at the time.
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Do not dismantle the original cp, bring your own cp (but there is no obvious emotional line).

Content Label: Teen Conan
Search keywords: Protagonist: Frost Moon Saya ┃ Supporting roles: Gin, Zhufu Jingguang, Matsuda Jinping, Edogawa Conan, Maorilan, Kayao (Shirazawa Nozomi), Little Cupid (Ruby) ┃Others:

- Description from novelbuddy

Sienna Lawrence's world shatters when her beloved adoptive family perishes under mysterious circumstances, leaving her as the sole heir to their business empire. With the Lawrence legacy in her hands, she faces a daunting challenge: not only must she protect herself but also safeguard the family's assets from those who seek to exploit them.The catch? To claim her inheritance, Sienna must be married. With her boyfriend revealing sinister intentions and danger lurking around every corner, she embarks on a quest to find a husband.In a moment of desperation, Sienna turns to a stranger she meets by chance.“Mister, are you single?” she asks.“Huh?” The man looks at her, perplexed.“Are you married or in a relationship?” she clarifies.“No,” he replies.“How about a crush?”“None so far.”“Good. Where do you work?”“What?”“Forget it. It’s not important. Do you know how to cook?”“Yeah.”“Is your cooking good?”“I guess so,” the man answers, still puzzled by her questions.“Perfect. I’m single, you’re single. Do you want to marry me?” Sienna asks boldly.“I never expected to be proposed to by a stranger all of a sudden. I don’t…”“If you’re not willing, I’ll look for someone else. No pressure.”“Who said I’m not willing? I’m more than willing,” the man replies without hesitation.And so, Sienna ends up with a husband just like that.Things take a drastic turn when Sienna discovers her real parents, leading her to unravel a conspiracy that could potentially turn her world upside down. What connection does her husband and her real family have? Why is the man turning more mysterious as time passes?

After causing a tech disaster in the real world, genius shut-in Rin Katsuro is sentenced by the gods and banished to Ereborn—a realm ruled by chaos, where ancient scripts control magic and dungeons feed on trauma.He wakes up in the body of a legendary war criminal—the Demon King's General—and is mistaken for the adoptive father of a demon princess.Armed with unstable “Error Magic” that lets him rewrite reality like code, Rin doesn’t want to be a hero... but when angels declare war on the demon races, and his daughter calls him “Papa,” he might just rewrite fate itself.This is the story of a broken man with nothing left to live for—until an entire world starts calling him Dad, Demon, and Destiny.