Ryuu Kusari no Ori -Kokoro no Uchi no “Kokoro”- - Chapter 4.18

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

Qin Muling, who was reborn by chance, joined the Yunmeng Heavenly Palace, which was full of beautiful women, and became the closed-door disciple of the supreme leader. He thought he could step onto the pinnacle of life from then on, but little did he know that he would be suppressed by the senior sisters who were both stunning and powerful, to the point where he couldn't even lift his head.He fought hard for his dignity, but was repeatedly defeated and suppressed by the senior sisters without any mercy. He never had a chance to turn the tables, and in the end, he had no choice but to give up: “Senior sisters, I don't want to strive anymore!”The senior sisters smiled and threw out a life-or-death question: “Very well, choose one of us!”Qin Muling: “...”

A prominent tech mogul from another world, Ye Zhuo, was reborn as the fake daughter of a wealthy family. In the past, the fake dog in the manger was loathed by everyone in her social circle and was notorious for her foul reputation. She was not only an illiterate deadbeat but also an illegitimate daughter who was mocked. “She is not even worthy of being the real daughter’s little finger!” “Illegitimate daughter! Shameless!” In response to that, Ye Zhuo simply chuckled. ‘Heh-heh… fake daughter? Illegitimate child?’ Despite being dealt a bad hand of cards, she could still shake up the world and stir up a storm!

She went from being the fake daughter of a wealthy family to the CEO of a renowned tech company and went from being a deadbeat to a talented girl that everyone envied – from having nothing to being at the top of the world!

Let’s feast our eyes upon how she put on the act of a lifetime!

Our protagonist, once a homeless child navigating the city's harsh realities, clawed his way towards a better life. He stole coins to buy knowledge. However, the prestigious university scholarship he craved was a rigged system, awarded to a politician's son who needed the name, not the education.Descends into a life of crime.After being forced to taint his pride his death is ordered with his own making the final blow.god “congratulations you're given a chance at a new life...”him “ why?”god “cause you had a tough life so im being generous... and making you reincarnate in a mana world...”him “ bullshit...”On the brink of oblivion, a dubious offer arrives – a second chance from a strange god. Haunted by the shadows of past 'generosity', Rei struggles with suspicion. Accepting means becoming a pawn, rejecting means eternal damnation. With no good options, Rei plays along, unaware his role thrusts him into a cosmic conflict.