Lucifer's Descendant System - Chapter 401 - - Can’t Touch This

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

“Devouring Lifespan to grow stronger!!”When Ricky Stormwind—a washed-up office worker—drank himself to death, he expected eternal nothingness. Instead, he awoke in a new world… as a mosquito.Weak as an ant. Fragile as a piece of paper. Prey to everything.But this world is no ordinary one. Magic, monsters, and powerful beings dominate the land, with ruthless forces waging war for supremacy. And Ricky? He possesses a terrifying ability—he can drain lifespan from any living creature and use it to evolve.A single bite can grant him hours. A feast?..... Years!!Now, in a forest filled with predators and beside a village on the brink of destruction, Ricky must climb the evolutionary ladder—from insignificant pest to a calamity that could devour the world itself.But when his first real meal triggers a mass sacrifice, the world mistakes him for a rising Demon Lord. Bounties are placed on his head. Armies march to hunt him down. And lurking in the shadows, a forbidden power calls to him, promising a path beyond mere survival—one that could reshape reality itself.In a world where everything is prey to something greater, something horrendous… he will rise to become the apex.

Warning contains-Incest/Ntr/ Heavy NetorareA Boy struggles with the problems of being raised in a family full of lewd older women.

Dusk is the boundary, Yin and Yang are divided into two parts.

When the evil god’s flesh and blood crowded out from the cracks in the earth, when mountains of flesh and blood appeared everywhere.

Some people fear it, some people worship it, and some people burn incense and make offerings.

Some people also tasted it, hey, it tastes good?

As a result, flesh and blood turned into crops, and people greedily harvested, fought for, and worshiped their ancestors.

Hu Ma was reincarnated from fear, ate Tai Sui, kept a stove, went through hardships, fought for his life against evil spirits everywhere, and then…

……What? Am I the evil one?

- Description from novelbuddy