Apocalypse Descent: Farming with My Harem - Chapter 565 - 245: The Castle’s Last Secret, the Beautiful and Powerful Witch! (5200)_3

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.

An extraterrestrial thing gives Chen Yizhe the ability to transform the microscopic world

Repair electronics?

To cure all diseases?

Modify DNA information?

Change the structure of water into gold?

Create new material?

- Description from novelbuddy

Lu Jianyan is absolutely certain that the world he lives in has been crazy.

The romantic friend suddenly announced that he would love him to death; the stranger suddenly decided to die for him … It seemed that the whole world wanted to fall in love with him overnight.

Lu Jianyan: What? [Dazed.jpg]

World: Friend, have you heard of fast reincarnation with the system? There are always a few people who firmly believe that attacking you is the best shortcut to complete the task.

Lu Jianyan: Keep it simple. Please let the way to complete the task simple.

- Description from Novelupdates

A Hentai World is a Dangerous Place, Especially if Your Best Friend is a Hentai Protagonist and You Are a Trap.