The Sword and Heir of Shadows - Chapter 14: Doubt in his Mind.

This book is about how a famous web writer who specializes in doting genre falls in love with a Mr. cellophane writer who specializes in angst genre.

- 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

They took his name, stole his life, and fed on his pain. But they made one mistake—they let him live.Betrayed by his own blood and sold into slavery, Prince Oliver Von Rich lost everything—his title, his freedom, and his future. For years, his captors in the Somaran Empire bled him dry, using his Royal bloodline as fuel for their Aether.But when they sought King Solomon’s Staff—a relic said to grant any wish—Oliver rebelled. Left beaten and dying, his blood soaked the ancient artifact… and awakened it.Dragged back in time to the eve of his kingdom’s fall, Oliver is no longer a helpless prince. With the scars of his past and knowledge of what’s to come, he’ll rewrite fate—even if it means becoming a monster.To destroy the empire that broke him, Oliver must embrace the cursed power of the most vile demon known to man.

Fengyu loved gold, silver, and jewels more than anything. Her greatest dream was to eat, drink, and enjoy life as a salted fish. Her fiancé was the third-ranked scholar in the imperial exams, handsome as the legendary Pan An. Her salted fish life was perfectly complete.Her husband was poor? No problem, she was rich!But who would have thought that the winds of fate would shift, causing her soul to transmigrate into the body of Xie Xun, a dashing and rebellious young marquis, even making him lose a leg due to her. To survive on the battlefield, the salted fish had to turn over and rise, learning horseback riding, archery, and military strategy. The young marquis, bearing her face, caused chaos everywhere. Her fiancé, deeming her wild and foolish, broke off their engagement.She got engaged, and he reneged. She made money, and he squandered it. Her mountains of gold and silver were all emptied by him, and the two became locked in a love-hate relationship. Gradually, the plot started to go off the rails.The ex-fiancé, after breaking off the engagement, regretted it and confessed his deep love.Fengyu: I've already fallen for someone else.A scheming girl at the archery range tried to kill her, only for Fengyu to stab herself instead.Fengyu: What to do now? It looks like you've committed murder.Her parents, who had defended the borders for decades, returned home only to say, “Daughter, go follow the young marquis and start a rebellion!”How did the originally carefree salted fish storyline turn into one of a villain rising?In the end…Raising a husband turned out to be a money pit, but the husband was certainly worth it!A sickly schemer hiding their true nature (Fengyu) vs. A dashing but cunning strategist (Xie Xun)