Yuusha no Segare - Volume 2, Chapter 1 - A New Emissary Part 1

Ning Xuan was a talented cultivator with a legendary body. However, his bloodline was stripped six years ago, reduced to a waste. Yet after his so-called sister's care, his blood was restored.Yet when the girl heard this news, she said: “As expected of the Nine Nether Divine Body. Its True Blood is this formidable the moment it regenerates! With this, I shall surpass Ning Yang and become the sole Heavenly Maiden of this continent!”

Yi Tianyun woke up from a sleep, and found that he awakened this Upgrade System. Crippled meridians preventing you from cultivating? No problem! With the Crazy Upgrade System, do quests, kill monsters, devour others' Spiritual Power, or refine some Elixir Pills, inscribe great arrays, and you can gain experience!Experience Value is too low? Don't be afraid, I have Double Experience Cards, Tenfold Experience Cards! Experience Value will explode, explode, explode, and levels will rise, rise, rise!“Huh, I've leveled up again?”

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

Lu Yan has traveled to a peculiar world where the entire world would undergo a version update every once in a while.He has witnessed the once-flourishing metropolis replaced by an ancient and authentic Immortal World and been forced to work for a vicious shopkeeper.Luckily, he is the only one who has the ability to know the progress of the current version and choose the next version update.[Current Version: Immortal WorldVersion Update Progress: 99.3%]When ths next version comes, he will make the shopkeeper pay.