MTL - Longevity is Different, Caishikou Was Beheaded at the Beginning - Chapter 31 The Book of Mysterious Demons, 1 Sword

Zhong Yuhuan had transmigrated into a book and became the female supporting character who was destined to die an untimely and tragic death. Coincidentally, her family adopted two boys — the male lead and the villain of the book!

The male lead of the book would become a superstar in the show business and the villain a super successful and powerful businessman.

Zhong Yuhuan thus began her life of raising the male lead and the villain while faceslapping other scums. She would grow up quickly and live the life of the rich and powerful Mary Sue!

- Description from Novelupdates

(One of the best stories you can find in this platform!)

Yeman Talisman was bullied by his classmates and framed by his best friend in his high school days. One night, an incident occurred, which he rescued his ex-girlfriend from a drug organization syndicate. Too bad with his bad luck he got killed, when he opened his eyes again, he found himself in a different world? With a gaming-like system! Let’s find out what will happen to him in this world of fantasy. What if he finds out that his old classmates were the heroes of this new world and their leader was none other than his old best friend who framed him not only once, but twice?

They got summoned here through a magic circle unlike him!

What will happen when the system and magic clash?!!!

(Yeman made a promise to himself, that the next time their path cross, he will teach them true despair.)

Together with his pets, he will build his clan and rise to power!

Jacob Steve, an Old Man, died at 116 after living a whole life.

But Jacob always had a dark side, which he always suppressed and hid from others.
However, in the later years of his life, when death was inevitable, he understood there wasn't any point in having wealth, knowledge, or desires if you couldn't have a life to enjoy them.

He became obsessed with fabled immortality and devoted his reaming life to extending his fleeting lifespan, but just like any other failed.

However, he mysteriously got another chance at life and found a way that led to fabled immortality.
But he was also forewarned that the way led to it was filled with blood and darkness!

In the end, Jacob chose it anyway with no way of going back, and it was also the start of his suffering and his icky, brutal journey toward the 'Immortality' he wanted so badly!

The world experienced a cataclysmic change, and countless spatial gateways appeared out of thin air.