MTL - Rescuing the Supporting Character - Chapter 29 Loyal dog breeds four

Mission: Transmigrate world by world into a scoundrel’s body; clean up the original’s life.

Wei Mingyan is a liar, through and through. But he doesn’t see himself as such. His motto? “If one deceives others for a lifetime, then all lies would become the truth.”

- Description from Novelupdates

In the year 2544, magic and technology are an everyday thing. Humans now have wonderous abilities that transcend the physical laws of the world.Eighteen-year-old Gavin has always been an ordinary human—until a shocking truth shatters his reality. He was found as a baby, the sole survivor of a massacre that wiped out his birth clan. His entire life has been a lie. He’s not human—he’s a werewolf, one of the last of the alpha predators the world sought to destroy.Determined to understand his true nature and protect the one person he’s always loved—Erza O'Malley, his best friend and the woman who has always been his home—Gavin enrolls in a magical academy. But learning to shift is only the beginning. As hidden forces stir and the ghosts of the past resurface, Gavin must decide: will he remain in the shadows, or will he embrace the predator within to fight for a future that was never meant to be his?Perfect for fans of action-packed paranormal fantasy, forbidden love, and a world where magic and science collide.

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