Cold-blooded Undercover Master - Chapter 180 1st Opponent

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.
————
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.
————
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

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

JAYDEForged in the crucible of Xi Corporation’s labs, Jayde—once known only as SN1098—is a genetically engineered super soldier, her body honed to a razor's edge through decades of fighting humanity’s brutal wars. Her rebellion against her creators sparked a desperate battle for her people’s survival, only to end in betrayal and a fiery death on Crypso 3Q3U, her sacrifice shattering the corporate chains binding thousands of GESS lives. Yet death is not her end. Jayde awakens, impossibly, in the tortured body of a young girl on a strange world untouched by the technology she knew—no starships, no replicators, no blasters, only the primal pulse of magic. Bound to an ancient artifact pulsing with secrets, she must navigate a realm of powerful mages, mythical creatures, and lurking monsters, her old instincts clashing with the arcane forces now at her command. Her soul, scarred by battle and betrayal, carries a darkness that threatens to consume or redeem her as she carves a new path.RENRen, the fierce demon king, stands as the last bulwark against his race’s extinction, his heart a furnace of primal fury. To save his people and halt the malevolent Zartonesh’s invasion of the realms, he must venture to the Lower Realm, where the Devil Wars first ignited. His fate entwines with a young woman—Jayde—whose soul, steeped in shadow, stirs the ancient beast within him. Her vast, untamed power could be the key to salvation or the doom of all he fights for, her presence a spark to his fire, a bond that could forge or shatter destinies.AN EPIC JOURNEY OF MAGIC AND REDEMPTIONJayde trades her blaster for a sword, stepping alone into a universe where magic hums like a Centauri war-chant, guided only by a mysterious artifact that whispers of forgotten truths. She journeys across dimensions, learning the art of spellcraft, forging alliances with unlikely companions, and facing enemies born of myth and nightmare. As she grapples with the darkness within her soul—a remnant of her past life’s pain and betrayal—she searches for her true-mate, a bond that could anchor or unravel her. Will she master the magic of this strange world and rise as its savior, or will the shadows she carries bring ruin to all she holds dear?WARNING: This tale unfolds as a slow-burning romance, weaving love and loss through a tapestry of magic, sacrifice, and defiance, as Jayde’s legacy burns brighter than any star.

After crossing into another world, he became an impostor City Lord, with a domain spanning five hundred miles and a sister who was a national beauty.He also had to revitalize a family that was teetering on the brink of collapse. As a college junior, Lanling felt overwhelmed by the pressure.Endowed with the power of Yao Xing, he could directly devour others' cultivation and claim it as his own. And his sole mission in crossing into this other world was: to destroy it!From City Lord of Tianshui, to the queen's husband, to the World-Ending Demon Emperor, he eventually became the king of the entire world!…Note: I've been in the industry for 12 years, published over a hundred books, and this is my eighth book, all of which are completed. With previous works like 《Nine Yang Sword Saint》 and “Mech Battle Emperor” being bestsellers with tens of thousands of subscriptions, you can read with confidence.