7th Demon Prince Jilbagias' Chronicle of Demon Kingdom Toppling - Chapter 20: Proof of Lineage

In the turbulent era, the world was under the reign of cunning careerists. A young man named Mu Feng grew up in numerous battles and unceasingly made earnest efforts to stand on his own feet.

His father was murdered, and two hundred thousand of his people were slaughtered. Mu Feng accidently obtained the Sacred Book of Asura, and then he embarked on his journey of revenge with fierceness and blood!

Killing and blood proved his love for family and his people!

He was the almighty Asura!

- Description from Novelupdates

Welcome to Hell’s Game.[Entering instance: Bloody Restaurant][The position you applied for: Delivery Person][Your customers include: a fat otaku emitting a corpse stench, a maid who bursts at the slightest disagreement...][Your colleagues include: A boss who's too pretty to be human, A cow or a horse in the literal sense, a man-eating tree that swears in French...]Facing these incredible characters, Liu Zheng, who wanted to be a decent person, had no choice but to give up on humanity.

I possessed the body of a villain who torments the male protagonist in a tragic story and dies.Before meeting the male protagonist, I managed to endure my miserable life with survival skills and magic.When I finally met the male protagonist:“Get lost.”He bared his teeth like a kitten.But as we got a little closer,“Lila, help me.”I worked hard to take care of this unexpectedly pitiable young master.And then…“Lila, do you love me?”“What?”“I’m asking if you love me.”“…Young Master.”“I love you.”“…”When I was too stunned to respond, he smiled and approached me.“Lila, tell me you love me. If you do, I’ll give you everything I have. Okay?”It seems I raised him too well.The young master I had so carefully raised began to obsess over me.

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