This Omega is Immune to All Abilities - Chapter 70

This world is not reality, nor am I the protagonist.

You Liangxing would never open the speech function in game.
That was because his voice was…
Particularly! Kittenish!

But there was one day, he queued up with a teammate who had so much to say that they may as well explode. Vexed to the point of no return, he contributed a voice that was capable of splitting heaven and earth, “Don’t BB.”
The other party who was being scolded stilled. In the ensuing silence, he suddenly let out a long, relishing… Moan.
You Liangxing: “…..”

Later —
He realised that the person was a great god,
Much later,
Without him realising,
He became the great god’s royal healer.
…. And also his boyfriend.

- Description from Novelupdates

Lin Ke traversed to this world and, with the help of a system, utilized modern knowledge to farm and develop, claiming kingship and dominance.This is a world of professionals, a world of swords and magic, a world of bloodline inheritance, and a world of countless racial conflicts!One day, Lin Ke rode a bicycle with training wheels past the army, facing an endless enemy ahead.[Shield Warrior], [Arsonist], [Tree Shepherdess], [Wind Whisperer], [Thunder Sword Maiden], [Eternal Freeze Knight], [Voodoo Warlock]...Looking at the diverse group of followers behind him—tall, short, plump, thin, old, weak, sick, and disabled—Lin Ke laughed and raised his arm to call out: “[Workers]! Delivery [Knights]! [Scientists]! [Doctors]... Raise the flag of Azanen and charge with me!”Thus, amidst the eerie cries and howls of his followers, the history of the boundless planes was forever changed.

The world was once at war with 10 alternate worlds. This was known as the Concept War and our world won 60 years ago. All of this was concealed so no normal people are aware of this fact in the current time.

After the death of his grandfather, the high-school student Sayama Mikoto is suddenly summoned by the giant corporation IAI. He learns this world is headed for destruction due to the acceleration of the Minus Concepts. To prevent this, negotiations must be undertaken with the survivors of the other parallel worlds so their 10 concepts can be released.

And so Sayama is caught up in the final battle to clean up after the Concept War which left behind so much enmity.