Cosmic Lord: The Error Awakens - Chapter 15: The First Siege

Leon and his father, Artorias, are the last remaining scions of a once powerful and illustrious family of lightning mages. After barely surviving an attack that destroyed their home fifteen years ago, they now live in the dangerous Northern Vales, a desolate wilderness far away from civilization. But those who want them dead are strong, patient, and relentless, and it is only a matter of time before they find the two they seek...

Official:I had thought this bleak future would continue on for me every day, but…[You can copy-paste the effect of an item onto other targets.][Target: No limitation]My life changed all of a sudden ever since that day.Previous Blurb:The road before me was dark and my future was bleak.I thought my days would continue to be like this.But on that day…[You can copy an item’s options to another target.][Target: Unlimited]My life changed dramatically.

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.

At first, when he learned that he was forced to go to many different routine worlds and be reborn into all kinds of cannon fodder, he was against it.