Global Reincarnation: Only I Know the Plot - Chapter 874:

She is a top-class spy, a poison specialist, but also a young and cute girl with a sinister temperament. In spite of her sweet and innocent appearance, she can complete any tasks without the slightest hesitation. One day because of an incomplete black magic, she was sent into the body of a girl who was deemed as a good-for-nothing. What kind of change will she bring to this continent?

Many people wish to be transported to another world, beautiful women, supernatural powers, adventures and the list continues.

But what happens when you are born in a place where almost everyone see you as a tool, which turned out to be useless for their purposses.

Falling into the depths of despair after losing what he cared for the most, the unmistakable sound of a notification changed his destiny and the one of all the planes of existence, but was it for the good... or not?

"The host's current body is too shitty for the system, physical reformation in progress", "physical reformation complete, as a one time reward for surviving the host might ask the system for a wish".

Follow Daimon on his journey through a world where the existences called "Gods" are only higher ranked mages.

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If You like monsters folklore and cute girls then be my guest
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The cover is not mine, so all the credit for the right owner
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The story will have a lot of dark elements so if you don't have stomach for that then I suggest you to leave, oh also i'm quite a pervert myself so be prepared for that (NO NTR).

Summary Version 1:

The mysterious boy Ling Chen is saved by a little girl as he lay on the street dying. Years later, he strikes a deal to save this savior-turned sister and enters the virtual world. In a future Earth where advanced warfare has forced nations to settle issues virtually or else suffer the consequences, Ling Chen bursts into the scene and goes from unknown to legend. Yet all is not as it seems, for Ling Chen has a dark past, and there is a greater mystery at hand behind this virtual world.

Summary Version 2:

To save his terminally ill little sister, Ling Chen enters the newly released virtual game world and joins a small gaming studio comprising entirely of women. From now on walking upon his path towards the pinnacle. An ancient, evil item almost forgotten by history, the “Lunar Scourge” helps forge his unsurpassable legend, and causes him to unknowingly step upon a path that is destined to be punished by the heavens, the way of the shura.

99 is one, and nine refinements are returned to Xian.

A young town boy, stepping on Xiuxian Road, is not a family, no gold fingers, with his own determination and wisdom, the nine major cultivation system, the nine realms step by step to the peak, and finally ninety-nine one, the achievement of true immortal.

- Description from Uukanshu translation