Marriage First, True Love Later Novel - Chapter 43

One day I got a younger sister.Only I know her true identity.

A seemingly ordinary training exercise led Chen Jian and his squad into a completely different time and space.In the post-apocalyptic world, monsters run rampant, and the surviving humans struggle to live under their terrifying claws.To fight the monsters, the living have abandoned everything.Human nature no longer exists; beastliness is the mainstream.To defeat them, one must first become them.-----------------Chen Jian was supposed to be like the others here, pursuing the maddening evolution.But, when the tungsten-core armor-piercing round first penetrated the Kui Niu's keratin armor, he suddenly discovered...Perhaps there is another way to stay alive?

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

Blessed by the heavens, Su Yang was born with an extraordinarily handsome appearance that could sway even the coldest beauties and innate sword talents that would make even the Sword Emperor green with envy.Su Yang thought for the longest that he would spend his life swinging a sword, but little did he know that fate had something entirely different in store for him.Instead of swinging a sword, he would be thrusting a different kind of ‘sword’. Rather than perfecting his sword techniques, he would be learning massage techniques.This is a story of how a sword prodigy ended up walking the path of dual cultivation and becoming the most powerful dual cultivator under heaven.--------------Note: This novel is the prequel to Dual Cultivation, but it doesn't require any knowledge from Dual Cultivation to understand so anyone can start reading without worry. Some terms/plots might differ from Dual Cultivation.