God's Song - Chapter 264

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

I can be the main character even though I’m not a hunter. Kang Moo-hyuk succeeded in all the raids with his genius and rose to the position of Strategic Team Leader despite not being a hunter.But one day, he got diagnosed with a terminal illness called “mana addiction”, and even got involved in a power struggle within the guild. With only a few days left to live, he decided to do everything he every wanted and set his passions ablaze. And he chose the tier 1 “Taesung Guild” to do so.But how can Kang Moo-hyuk grow the guild with Joo Se-ah when the rest of its members are amateurs?

Shen Ying is a task performer for the tragedy system. Her mission is to transmigrate into the role of the female lead in...Shen Ying is a task performer for the tragedy system. Her mission is to transmigrate into the role of the female lead in tragic romance novels, enduring one heart-wrenching love story after another.Unlike most task performers who resist such assignments, Shen Ying absolutely adores her job. The tasks are easy, the pay is high, and there are various hidden perks she can freely explore.The only downside is that the system keeps urging her to resign, insisting that someone of her talent shouldn’t be wasted in such a “small-time” system. It even actively recommends her to join a rival system next door.Moved to tears by the system’s concern, Shen Ying firmly declares that she will work here for a lifetime, dedicating her entire life to the system.Upon hearing this, the system is so touched that it sheds tears of gratitude.

Summary Version 1:

The mysterious boy Ling Chen is saved by a little girl as he lay on the street dying. Years later, he strikes a deal to save this savior-turned sister and enters the virtual world. In a future Earth where advanced warfare has forced nations to settle issues virtually or else suffer the consequences, Ling Chen bursts into the scene and goes from unknown to legend. Yet all is not as it seems, for Ling Chen has a dark past, and there is a greater mystery at hand behind this virtual world.

Summary Version 2:

To save his terminally ill little sister, Ling Chen enters the newly released virtual game world and joins a small gaming studio comprising entirely of women. From now on walking upon his path towards the pinnacle. An ancient, evil item almost forgotten by history, the “Lunar Scourge” helps forge his unsurpassable legend, and causes him to unknowingly step upon a path that is destined to be punished by the heavens, the way of the shura.