Vampire's Slice Of Life - Chapter 42: End of Banquet

Through a mysterious portal, Chen Jin arrived at this strange place – a post-apocalyptic world where civilization had been destroyed.

Consequently, he found –

A piece of metal scrap
A robot trash collector
A battleground
A city
A ton and more of gold
A copy of high-tech documents
A…
In short, Chen Jin found a planet.

- Description from Novelupdates

The Third World War has been ended by the efforts of Kamijou Touma. With that, he vanished. With the Magic Side regrouping, the Sabbath for their followers has arrived.

In the headquarters of the Science Side, Academy City’s strongest Level 5 Esper Accelerator has washed his hands off the “Darkness.” Along with Last Order and Misaka Worst, his days pass by peacefully with no sign of GROUP.

Hamazura Shiage has formed a new ITEM with Kinuhata, Takitsubo and Mugino. Peace has come to the hands of the alumni who have “graduated” from Academy’s Dark Side at last… at least until a new evil “first year student” appears before them.

— This is a follow up to the popular Toaru Majutsu no Index light novel series, where Kamachi-Sensei has promised to deliver new premises and give a totally new flavor to the fights and plot developments

“A cheat system? Do you take me for a fool? Nowadays, where can you find such a good thing falling into your lap? Scram from my head. Is this is new kind of fraud? Or is this a murderer training system of aliens that contains the ability of hypnotism?”

“No, I am the chaos that whispers from nothingness, the nightmare of all living beings in the Southern Ten Stars, the successor of the unparalleled God and… your elder sister.”

“…I only have a younger sister, I don’t have an elder sister!”

“No, you have one. I am an illegitimate daughter. It’s just that your dad didn’t inform you.”

- Description from Novelupdates

After transmigrating to the Great Desolation world, he became Dijun.At first, he did not want to be this demon emperor, just wished to be a carefree innate sage. However, appointed by the Dao Ancestor Hongjun, he had no choice but to take on this heavy responsibility.As for the war between the Witches and Demons, Dijun is not interested at all, he only wants to lead the demon clan in building the Great Desolation, and win the favor of heaven and earth, earning virtues and fortune.And the Zhou Tian Star Array, was it created for battle? Dividing day and night, establishing the four seasons, transforming chaos into innate aura, benefiting the Great Desolation, this is the true purpose of the Zhou Tian Star Array.With virtues and fortune upon them, who dares to provoke the demon clan?Under Dijun’s leadership, the entire demon clan continually contributes their strength to the construction of the Great Desolation.