Reincarnated as the Baron's son: My Infinite Card Upgrade System - Chapter 9: Baron Rashin

“My turn, draw cards”

“It’s better to use this one if you’re fighting”

Looking at the card in his hand, Yue Si gave a villainous smile.

- Description from novelbuddy

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.

Meloni is just a musician. A normal, charming girl whom everyone loves and admires. But she has a secret; she can manipulate sound.For years, she managed to live with that secret, until everything came crashing down when her resonance was picked up by local organizations.In the midst of all the chaos, whether she should live as an awakened conduit or just a normal person, she ends up rescuing a small black bird.But that bird, is someone the whole world is afraid of.

You are the ruler, I am a subject, you want loyalty, I’ll give you loyalty. You are the ruler, I am the subject, you want my sacrifice, I will sacrifice for you. This lifetime, we’ll only be ruler and subject…… cannot become the one who accompanies you to experience everything.

A deposed empress, a failure of a substitute. Charging into battle, he was the emperor, and she, his general. But within the intimacy of their military tent, he was her husband, and she, his wife.

But everything was star-crossed. For the one he loved the most, he would push her into hell again and again.

- Description from Novelupdates