Moto Sekai Ichi'i no Sub-chara Ikusei Nikki - Chapter 37: It’s Not About the First Impression

By the fourth year of Su Wan's career, every league rookie hears the same warning from their coach and veteran teammates: “You can try to impress him. You can even try to defend him. But no matter what—no matter if he hurls the most brutal insults your way—never, ever talk shit to him!”

When disaster struck, Ling Mo knew that the kinds of zombies depicted in doomsday movies would in fact, be totally different from reality…

For ten thousand years, the invincible Emperor Xu Lai, descends to the Earth and takes on the role of a stay-at-home dad.Anyone who dares to bully his daughter would face his wrath!Xu Lai asked, “My dear daughter, when you look up, what do you see?”“Nighttime, the stars.”“That's not just the stars, it's the empire I've built for you. In the future, you'll rule over billions of galaxies, you'll be the Empress of the Immortal Realm!”“Dad, you're bragging again. You can't even give me a little brother or sister,” Xu Yiyi pouted.“...”

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.