Lilith: Origin of Succubi - Chapter 39

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

Shennugou is an old and infertile place. It’s hard to find a woman to marry here.

The Li family is extremely poor. With only four bare walls for a home, they don’t even have a woman to manage the household.

The Heavens had mercy today, Li family’s oldest son had saved a woman at the market and brought her back home.

Li Man was killed by her mother-in-law and transmigrated. She was almost hanged on the first day, but, fortunately, she was rescued by the Li brothers.

This doesn’t mean that her destiny is over.

The language didn’t make sense at first, she discovered that, here, standard Mandarin sucks.

- Description from Novelupdates

Lin Jie, a transmigrator, is the owner of a bookstore in another world.

After the ‘100-Year War’ between the Necromancers and Priests, an all-time genius who’ll shake the power structure was born. “Am I a rare case or something? Do I have talent?” A potential beyond all imagination. He obtained his father’s undead army and entered the great Necromancer school of Kizen that divided the continent. Geniuses are geniuses, even when gathered among the elites. The research community was flipped on its head by the appearance of a new case. Professors wouldn’t leave him be alone, wanting to make him study directly under them. Officials from all over the kingdom and heads of organizations fidgeted over whether to scout him. “Professor! When can I make a Lich?” “Gimme a break. How talented are you? You’re crossing the line, honestly.” A genius among geniuses had appeared.