MTL - Divine Brilliance - ~ 1126 Its name is unknown

What do you do when your brother dies because of some entitled assholes? You go undercover.My real name? Clare. But at school, I’m Clause—just another guy blending in. Disguised. Watching. Yes, a boy. No, it's not an all-boys school—I'm just deep undercover, hunting down the bastard responsible for my brother’s suicide. Nobody—and I mean nobody—messes with my precious brother and gets away with it. They better pray I never find them, because when I do? Death will be a mercy, and trust me—I don’t do mercy.And as for the egotistical Alpha and the narcissistic Vampire Prince? They can go fuck themselves. I don’t do mates, I don’t do claiming, and I sure as hell don’t do them.

A young boy named Tang Jie was searching for a path into immortalhood when he happened to save an immortal in need, resulting in the latter owing him a karmic debt.

What? You want to repay me with mere Spiritual Enhancement Pills? Is that how cheap you view your life to be?

As a result, Xu Muyang ended up having to drag the brat with him.

You’ll never shake me off now, thought Tang Jie.

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

Qiao Chen was mysteriously transmigrated to the interstellar era. As an adult from his original world, he was forced to grow up all over again in this new one. Now, out of nowhere, he was requested (forced to take on) with the inexplicable task of jumping from world to world to save the high general’s soul.

Throughout his journey, Qiao Chen finds that these worlds and bodies he’s jumping in and out of are his previous reincarnations. Whether or not these all culminate into coincidences or a predetermined destiny, there’s things that must be done while completing the main task:

-Avenge his past life

-Take revenge

-Fulfill past regrets

-Realize those lost dreams

-Make up for past failures

Since God has given him these opportunities to rewrite his fate, why wouldn’t he be pleased to start-over?

- Description from Novelupdates