Fate's Slave - Shadow Slave X Honkai Star Rail - Chapter 1: Genesis of Nightmare (Rewritten)

Lassen, a young man who has failed at everything in his life, has had enough. Disillusioned with the world, he decides to end it all. But instead of dying, he wakes up in a parallel world, armed with a strange system that can accomplish anything he desires. Trapped in his room, reading novels and savoring every page, he has no intention of participating in the fast-paced world outside.Yet, despite his desire for peace, the world changes every time he makes an appearance. Everyone treats him like a genius, a being capable of disrupting the very fabric of reality, without lifting a finger. A powerful system, a new life, and a world that adapts to him: why complicate things when you can have everything without effort?The Genius System tells the story of a man who, although having everything to change the world, prefers to watch it evolve from the comfort of his room, through the pages of his books.

The ambiguous scientist was accidentally transported to the Star Alliance era 400 million years later.
It is a depressing discovery that even if he is a tough guy with a height of 180 muscles and Q bombs, in the era when all human beings have evolved into semi-rock bodies, he can only be regarded as a soft body with 70% water! Chinese! Paper!
Nani? ! ! With 30% moisture, it is already a rare propagule? !
That 70%…
After becoming the lovable pet of the first interstellar god of war, Doubi Shou struggled every day to maintain his integrity…
Funny than straight men are attacked by vs ghosts and animals

Note: 1. Everything in this article is overhead, and it is also overhead before the male protagonist crosses, and cannot withstand any research.
2. This article is 1v1, he, attacking and receiving Shuangjie, involving childbirth, please be careful.
3. Re-emphasize the attributes of attack and suffer

Content Labels: Strong Future Overhead Mecha
Search keywords: Protagonist: Wu Bu ┃ Supporting role: Luo Yankel ┃ Others: 1v1, he, Gongshou Shuangjie, Shou is a straight man

- Description from novelbuddy

Rhett never expected becoming king until he slayed an ice dragon out of self defense and fulfils an ancient dragon slayers prophecy which makes them to crown him as their king.Transported to a gloomy and medieval like world, he is faced with leading the dragon slayers, the weakest of slayers among other slayers - demon slayers, gargoyle slayers, ghost slayers and shadow slayers.But ruling isn't so glamorous as he had anticipated and he is instead a warrior, with a system like ability which he must level up by slaying Dragons.And to his disadvantage, the world he is his controlled by SLAYERIOUS, an unknown and unseen entity. But that won't stop Rhett, he intends on dominating his world and even daring to slay the strongest dragon still alive, ruieen.And who knows, he might just defeat SLAYERIOUS if he tries harder.[WSA 2025 ENTRY]

Once, because of a pair of purple eyes he was scorned. He is a wangye known across the land, cold and bloodthirsty, looking disdainfully upon the world.