May the rest of my life be sweet to you - Chapter 22

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

Gawain is dead and was transmigrated, but there was a slight problem during the process.
After floating for more than a hundred thousand years on a different continent, he felt that he might need a body to become a complete transmigrator, but he did not expect that…

“Xavier Lancaster, the richest and most influential man on Earth, lives by one simple motto: 'Money First'. A brilliant strategist, ruthless businessman, and master negotiator, he built an unshakable financial empire. But when a mysterious incident transports him to a medieval world on the brink of collapse, he finds himself… the ruler of a weak and crumbling kingdom.Faced with corrupt nobles, hostile neighbors, and a shattered economy, Xavier decides to use the one thing he knows best: the law of the market. Armed with his cunning, modern strategies, and cutthroat business sense, he turns every problem into an opportunity and every enemy into an investment.His goal? To become the richest and most powerful emperor this world has ever seen. But in a land where strength rules and magic exists, will money really be enough to buy everything?Get ready to witness the rise of a man who’s ready to put a price on the throne itself.”