Drop!! ～A Tale of the Fragrance Princess～ - Volume 4, Act 41: Quickly Set the Stage

Ella has the most perfect life. A life that everyone could envy her. She has a beautiful face, a beautiful body, abundant wealth.

The most important thing to her is that she has her someone that she thinks is her soul mate.

But a betrayal makes herperfect life shattered. She was lied to, toyed with and thrown into a much worse place than hell.

She was expelled from her family and locked up in a mental hospital, a place that shatter both of her wings.

Five years later, Ella returns with one goal in life. She handed over her body to Christian, a CEO who is notorious for being the cruelest.

In exchange, Christian will help him achieve his dream: REVENGE!

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

Billions of Humans transmigrated to another dimension, each became a Land Ruler at the start and owned a castle. Each Land Ruler would draw a random starting Soldier-type Building, used to arm their castles. Recruit more soldier-types, plunder resources, and dominate the world! Some drew the Sacred Palace of Knights from the start and commanded troops of knights to crush all obstacles in its way, ruling over vast lands. Some drew the Goblin Cave, developed castle trade, and became renowned dirty profiteers. Of course, more people only drew the most unremarkable soldier-types: Goblins, Lizard Man, Skeleton Soldiers…… These people could only kneel before the powerful Land Rulers and serve them as slaves. But Mike was an exception. His starter soldier-type building was, Dragon Nest! Glacial Dragon, Hellfire Dragon, Undead Dragon, Black Dragon…... When one after another dragon egg appeared before Mike, he suddenly felt that…...conquering the World seemed quite manageable?

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.