One-Click Upgrade: Super Decomposition System - Chapter 10

He Lang died by his own hands for the sake of his imperial younger brother’s ambition, whom he loved. He was offered to be reborn in exchange for giving up his past romantic feelings. Reborn without the burden of his romantic feelings, he brings with him a manual to new worlds. He wholeheartedly followed the instructions of the manual to complete the tasks, not knowing that the originally slag gong was blackening…
He pleaded to his affectionate Emperor brother to release him, he pleaded to the paranoid prisoner next door, but until the end he remained baffled.
In the end, he discovered that the full name of the manual was – “Slag Shou Cultivating Manual”
Σ (っ ° ° °;) っ!

- Description from Novelupdates

Time Sin is distinct, Numerical Sin is crafty, and Fate Sin is undefinable; when Sinners become calamities, all living things suffer!......Wondering about the population dividend in the Cultivation World?This book will tell you the answer!......Wang Zijia has transmigrated, obtaining the Golden Finger at the same time, which allows him to exchange his own body at will.But when he discovers what he can exchange with it, he is utterly speechless.Weights: Collection of Miscellaneous Literary WorksValue: 6Description: A treasure trove of knowledge for an adolescent, cultivated intensively for over a decade; it's a precious gem from a Foreign World with immense value!Wang Zijia: “... ...”Looking at one of the biggest Weights, Wang Zijia is momentarily speechless. Reading novels is actually one of his most substantial life experiences!......As he uses the Golden Finger to rewrite his futile life, he unwittingly forces his Spiritual Roots to produce an offspring, making the world start to seem different.All kinds of audacious schemes began to surface. Exploiting junior brothers, deceiving baby demonic beings, convincing the worthless ones that they are geniuses. Constructing his own channels and factions, inching his way towards survival on the road of immortality!

Reborn as Red Army Misha!

- Description from novelbuddy

Yan Qing’s sister, who has been sent down to earth, was schemed; designed to be a miserable female character in every life.

To save her younger sister, Yan Qing, a retired quick-transmigrator, full class man, once again set foot on the world shuttle journey to hardcore protect his sister and counterattack scumbags.

And then … ——

The real daughter who was kicked out of the House: sorry, my richest brother came to pick me up.

Abandoned White Moonlight stand-in: sorry, my elder brother said you lost your throne.

Face-slapped cannon fodder female partner: sorry, the country spoils my brother, my brother spoils me!

- Description from Novelupdates