Maybe a Fake Gintama - Chapter 564: Before You Learn to Love, Learn to Bless Others’ Happiness!

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

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

Waking up from a deep sleep, Lin Yue found herself having transmigrated into a peasant's new wife, and to make matters more complicated, she was a replacement for a deceased wife. The husband, over a decade older than her, had already lost two former wives. It wasn't so much a marriage; she had been sold to the family by her unscrupulous parents. Her fate was out of her hands. Before her stood one, two, three, four children, like a line of burdens, all gazing at her with blurry and hopeful eyes. Lin Yue felt an enormous pressure, “Thanks to Yuewen Book Review Group for providing review support!”

At the beginning of the Death World, Reiko’s body was smashed to pieces by the broken world, and he started a journey to all realms.

Uncle’s World from Another World: Aunt Cui is actually my neighbor!

The World of One Punch Man: The Bald Devil’s Bad Friend?

Those who want to become a powerful shadow person: I am really not the protagonist!

Spells return to the world: become the fifth super spellcaster!

Overlord (Bone King World): I became one of the 41 Supremes, but now I just want to be a human.

Other worlds to be determined…

- Description from novelbuddy