Hell Hath no fury like a billionaire's Ex - Chapter 6: Sister’s Sin

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.

Mira is determined to be a botanist—no matter how dangerous or violent it may become. Mira made two requests upon entering the multiverse: a botany class to further her research and to be dropped off in an isolated forest far from the violent god-rearing system BS going on. She was granted both—but not in the way she expected. The system abandoned her in a hellishly dangerous forest—where she earned a rare class that excelled at killing things.

Mu Yangling was reborn into a hunter’s family, and she expected to live a simple and happy life.However, a disaster almost shattered their home.His father was conscripted into the army because of a war, and the whole family had to follow and settle in a farming village.Unfortunately, they couldn’t even distinguish the seedlings of the five grains.As Mu Yangling looked at her mother and younger brother, who were on the verge of tears, she straightened, lifted her head, and said, “It’s okay. I have strength.”She also had some agricultural knowledge from a thousand years later!

A minus’ hand that fails every singer he put his hands on, Kang Yoon.